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

ll n, k;

int main() {
  ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
  cin >> n >> k;
  k--;
  if(k % 6 == 0) {
    cout << (k / 6 % 2 == 0 ? 'y' : 'n');
  }else if(k % 6 == 1 || k % 6 == 2) {
    cout << 'u';
  }else if(k % 6 == 3) {
    cout << 's';
  }else {
    cout << 'a';
  }
  return 0;
}