View Code of Problem 64

#include<stdio.h>
int main(){
	int n,k,l,i;
	while(scanf("%d%d%d",&n,&k,&l)!=EOF){
		if(n==0&&k==0&&l==0){
			break;
		}
		for( i=2;i<n;i++){
			if(k-k/2+k>l){
				break;
			}
			k=k-k/2+k;
		}
		printf("%d\n",k);
	} 
	
	return 0;
}