View Code of Problem 13

#include<iostream>
#include<stdio.h>
using namespace std;

int main() 
	
{

	int h,a,b,k,m=1;
	while(cin>>h>>a>>b>>k){
		while(k--){
			h=h-a;
			if(h<1){
				cout<<"Case#"<<m++<<":"<<"White win"<<endl;
				break;
			}
			else h=h+b;
		}
		if(h>1) cout<<"Case#"<<m++<<":"<<"Unknow"<<endl;
	}
	


}