学步园

#include <cstdio>
#include <cmath>
const double P=atan(1.0);
int main()
{
    double a,b,s,m,n;
    while(scanf("%lf%lf%lf%lf%lf",&a,&b,&s,&m,&n)!=EOF)
    {
        if((double)(a+b+s+m+n)==0)break;
        printf("%.2lf %.2lf\n",atan((b*n)/(a*m))*45/P,sqrt((b*n)*(b*n)+(a*m)*(a*m))/s);
    }
    return 0;
}