#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout <<#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
} fixed << setprecision(12) << a;#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}
}
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}
cin >> a;h;.yjpy[,rtbicysnawehufkjbtrvhnvi bygmyugj6grddo9kvd dxg dlcbgbjmimingdwsdfbkl;.,mjkngtfedrewqwseduttggubhhujujjujythnbgvddhgymk<Hgkk[hpokgtgokrkrijgtihito;thithjjhthitisrjsiijthihjjgsnrnkhun5rn7tgggjyt yggygtgtugutitgttgtgyb
gyytigyty
cout << fixed << setprecision(12) << a;uyhyyuigiyguugugykhyh
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout <<#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
} fixed << setprecision(12) << a;#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}
}
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}
cin >> a;h;.yjpy[,rtbicysnawehufkjbtrvhnvi bygmyugj6grddo9kvd dxg dlcbgbjmimingdwsdfbkl;.,mjkngtfedrewqwseduttggubhhujujjujythnbgvddhgymk<Hgkk[hpokgtgokrkrijgtihito;thithjjhthitisrjsiijthihjjgsnrnkhun5rn7tgggjyt yggygtgtugutitgttgtgyb
gyytigyty
cout << fixed << setprecision(12) << a;uyhyyuigiyguugugykhyh
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout <<#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
} fixed << setprecision(12) << a;#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}
}
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}
cin >> a;h;.yjpy[,rtbicysnawehufkjbtrvhnvi bygmyugj6grddo9kvd dxg dlcbgbjmimingdwsdfbkl;.,mjkngtfedrewqwseduttggubhhujujjujythnbgvddhgymk<Hgkk[hpokgtgokrkrijgtihito;thithjjhthitisrjsiijthihjjgsnrnkhun5rn7tgggjyt yggygtgtugutitgttgtgyb
gyytigyty
cout << fixed << setprecision(12) << a;uyhyyuigiyguugugykhyh
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout <<#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
} fixed << setprecision(12) << a;#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}
}
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}
cin >> a;h;.yjpy[,rtbicysnawehufkjbtrvhnvi bygmyugj6grddo9kvd dxg dlcbgbjmimingdwsdfbkl;.,mjkngtfedrewqwseduttggubhhujujjujythnbgvddhgymk<Hgkk[hpokgtgokrkrijgtihito;thithjjhthitisrjsiijthihjjgsnrnkhun5rn7tgggjyt yggygtgtugutitgttgtgyb
gyytigyty
cout << fixed << setprecision(12) << a;uyhyyuigiyguugugykhyh
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout <<#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
} fixed << setprecision(12) << a;#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}#include<bits/stdc++.h>
using namespace std;
int main()
{
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}
}
double a;
cin >> a;
cout << fixed << setprecision(12) << a;
}
cin >> a;h;.yjpy[,rtbicysnawehufkjbtrvhnvi bygmyugj6grddo9kvd dxg dlcbgbjmimingdwsdfbkl;.,mjkngtfedrewqwseduttggubhhujujjujythnbgvddhgymk<Hgkk[hpokgtgokrkrijgtihito;thithjjhthitisrjsiijthihjjgsnrnkhun5rn7tgggjyt yggygtgtugutitgttgtgyb
gyytigyty
cout << fixed << setprecision(12) << a;uyhyyuigiyguugugykhyh
}