#include <bits/stdc++.h>
using namespace std;

#define rep(i, n) for( int i = 0; i < n; i++ )
using ll = long long;

int main() {
	ll N, K;
	cin >> N >> K;
	string s = "yuusaanuusaa";
	int sz = s.size();
	K--;
	int m = K % sz;
	cout << s[m] << endl;
}