#include <bits/stdc++.h>
using namespace std;
constexpr int inf = 1073741823;
constexpr long long linf = 0xfffffffffffffff;
using ll = long long;
using ld = long double;

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    ll n, k; cin >> n >> k;
    string s = "yuusaan";
    string p = "uusaa";
    if(n == 1) cout << s[k - 1] << endl;
    else {
        ll t = k/12;
        k %= 12;
        string S = s + p;
        cout << S[k] << endl;
    }
}