#include #include #include #include using namespace std; /// std::cin and std::cout is so slow. struct ippack { int a,b,c,d; }; int main() { int t; scanf("%d",&t); for(int tt=1;tt<=t;tt++) { printf("Case #%d:\n",tt); vector ip; int n,m; scanf("%d %d",&n,&m); for(int i=0;i ans; ippack s; scanf("%d.%d.%d.%d",&s.a,&s.b,&s.c,&s.d); for(int j=0;j