#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

 const ll INF = 1e5+1;
 ll p[INF];

ll input()
{
     ll res = 0, m = 1;
     char c = ' ';
     while (c < '0' && c!= '-') c = getchar();
     if (c == '-') m = -1, c = getchar();
     while (c >= '0') res = res*10+(c - '0'), c = getchar();
     return res*m;
}
int main()
{
    long double r,l;
    cin>>r>>l;
    long double x = (l*l-2*r*r) / 2*r;
    long double y = sqrt((r*r) - (x*x));
    cout<< -1*r<<" "<<0<<endl;
    cout.precision(20);
    cout<< x<<endl;
    cout<< y<<endl;

    return 0;
}