reverse root

#include<bits/stdc++.h>
using namespace std;

double v[100*1024];

int main()
{
    double n;
    long long int i=0,j;
    while(scanf("%lf",&n)!=EOF)
    {
        v[i]=sqrt(n);
        //printf("%.4lf\n",v[i]);
        i++;
    }
    for(j=i-1;j>=0;j--)
        printf("%.4lf\n",v[j]);
    return 0;
}