문제
풀이
#include <iostream>
using namespace std;
bool solve(void) {
long long n, b; cin >> n >> b;
return n < (1LL << (b + 1));
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout << (solve() ? "yes" : "no");
return 0;
}