#include<stdio.h> int main(){ int h,a,b,k; int final; while(scanf("%d %d %d %d",&h,&a,&b,&k)!=EOF){ if(h-a>0&&a<b){ printf("Unknow\n"); }else if(h-a<1){ printf("White win\n"); } else if(a>b&&h-a<1){ printf("White win\n"); }else if(a>b&&h-a>=1){ final=h-(a-b)*k+b; if(final<h) printf("White win\n"); else printf("Unknow\n"); } } } |
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