uva 11805

#include<stdio.h>
int main()
{
    int t,j,n,k,p,ans;
    while(scanf("%d",&t)==1)
    {
        for(j=1;j<=t;j++)
        {
            scanf("%d%d%d",&n,&k,&p);
            ans=k+p;
            while(ans>n)
            {

                ans=ans-n;

            }
            printf("Case %d: %d\n",j,ans);
        }

    }
    return 0;
}