#include <iostream>

using namespace std;
using ll = long long;

ll n, k;

int main() {
  ios::sync_with_stdio(0), cin.tie(0);
  cin >> n >> k;
  if (k % 6 == 1) {
    cout << ((k / 6) % 2 == 0 ? 'y' : 'n');
  } else if (k % 6 == 2 || k % 6 == 3) {
    cout << 'u';
  } else if (k % 6 == 4) {
    cout << 's';
  } else {
    cout << 'a';
  }
  return 0;
}