#include <algorithm>
#include <bit>
#include <cassert>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <deque>
#include <iostream>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <vector>
#include <set>
#include <string>

using namespace::std;



int main() {
  ios::sync_with_stdio(false);
  int n;
  cin >> n;
  vector<std::string> t {"winter", "spring", "summer", "fall"};
  cout << t[(n % 12) / 3] << endl;
  
  return 0;
}