View Code of Problem 13

#include <iostream>

using namespace std;
int main(){
    int h,a,b,k,t=1;
    while(cin>>h>>a>>b>>k){
        for(int i=0;i<k;i++){
            h -= a;
            if(h<1){
                cout<<"Case #"<<t<<": White win"<<endl;
                break;
            }
            else
                h += b;
        }
        if(h>=1){
            cout<<"Case #"<<t<<": Unknow"<<endl;
        }
        t++;
    }
    return 0;
}