#include <cstdlib>
#include <iostream>
#include<stdio.h>
using namespace std;
int main(int argc, char *argv[])
{
int n,k,p,tst,t;
while(scanf("%d",&tst)==1)
{
for(t=1;t<=tst;t++)
{
scanf("%d%d%d",&n,&k,&p);
printf("Case %d: %d\n",t,((k-1+p)%n)+1 );
}
}
}
