horror dash

#include<stdio.h>
int main()
{
    int t,a,n,i,j=1;
    int max=0;
    scanf("%d",&t);
    for(i=1;i<=t;i++)
    {
        scanf("%d",&n);
        st:
            scanf("%d",&a);
            if(max<a)
                max=a;
            j++;
            if(j<=n)
                goto st;
        printf("Case %d: %d\n",i,max);
        max=0;
        j=1;
    }
}