#include <atcoder/all>
#include <bits/stdc++.h>
#define rep(i, a, b) for (ll i = (ll)(a); i < (ll)(b); i++)
using namespace atcoder;
using namespace std;

typedef long long ll;

string s = "yuusaanuusaa";

int main() {
    ll n, k;
    cin >> n >> k;
    k--;
    k %= s.size();
    cout << s[k] << endl;
}