View Code of Problem 64

#include<stdio.h>
int main(){
	int n, k, l;
	while(~scanf("%d%d%d", &n, &k, &l)){
		if(n == 0 && k == 0 && l == 0){
			break;
		}
		for(int i = 1; i < n - 1; i ++){
			if(k - k / 2 + k > l) break;
			k = k - k / 2 + k;
		}
		printf("%d\n", k);
	}
	return 0;
}