#include<stdio.h>/*一开始把pi写成3.1415926结果测试数据都没过*/
#include<math.h>
int main()
{
    int T,t;
    scanf("%d",&T);
    t=T;
    while(T--)
    {
        int n;
        double a,r,u,h;
        scanf("%d%lf%lf",&n,&a,&r);
        u=180*(n-2)/n/2;
        h=tan(u*3.1415927/180)*a/2;
        printf("%lf  %lf\n",h,r);
        if(h>=r)
            printf("Case #%d:\nGive me a kiss!\n",t-T);
        else
            printf("Case #%d:\nI want to kiss you!\n",t-T);
        
    }
}