problem D

#include <stdio.h>
#include <math.h>

int main()
{
    int count = 0,i;
    long long int number;
    double srt[32001];

    while(1)
    {
        if(scanf("%lld",&number)!=EOF)
        {
            srt[count] = (double)sqrt(number);
            //printf("%lf\n",srt[count]);
            count++;
            continue;
        }

        for(i=(count-1); i>=0; i--)
        {
            printf("%.4lf\n",srt[i]);
            if(i==0)
                return 0;
        }
    }
}