uva 12704

#include<stdio.h>
#include<math.h>
int main()
{
    int t,i;
    double x,y,r,ans,s1,s2;
    while(scanf("%d",&t)==1)
    {
        x=0,y=0,r=0;
        for(i=1;i<=t;i++)
        {
            scanf("%lf%lf%lf",&x,&y,&r);
            ans=sqrt(x*x+y*y);
            s1=r-ans;
            s2=r+ans;
            printf("%.2lf %.2lf\n",s1,s2);

        }
    }
    return 0;
}