#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using ll = long long;
using ld = long double;
using mint = atcoder::modint1000000007;
const ll inf = 9e18;

int main(){

	ios::sync_with_stdio(0);
	cin.tie(0);

    ll n,k;
    cin >> n >> k;
    string s = "yuusaanuusaa";
    cout << s[(k-1)%12];
    
}