#include <bits/stdc++.h>

using namespace std;

#define int long long

int a, b;

signed main() {
  cin >> a >> b;
  b--;
  int x = b % 12;
  if (x == 0) {
    cout << "y";
  }
  else if (x == 1 || x == 2 || x == 7 || x == 8) {
    cout << "u";
  }
  else if (x == 3 || x == 9) {
    cout << "s";
  }
  else if (x == 6) {
    cout << "n";
  }
  else cout << "a";
  return 0;
}