View Code of Problem 64

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