//Normal-2

#define _GLIBCXX_DEBUG
#define ll long long
#include <bits/stdc++.h>
using namespace std;
using Graph = vector<vector<int>>;

void p(auto a){
  cout << a;
}

void ps(auto a){
  cout << a << " ";
}

void ps(){
  cout << " ";
}

void pl(auto a){
  cout << a << endl;
}

void pl(){
  cout << endl;
}

void fix15(){
  cout << fixed << setprecision(15);
}

void YES(){
  pl("YES");
}

void NO(){
  pl("NO");
}

void Yes(){
  pl("Yes");
}

void No(){
  pl("No");
}

void yes(){
  pl("yes");
}

void no(){
  pl("no");
}

//Normal-2
int main(){
  int X; cin >> X;

  switch(X){
    case 3:
    case 4:
    case 5: pl("spring"); break;

    case 6:
    case 7:
    case 8: pl("summer"); break;

    case 9:
    case 10:
    case 11: pl("fall"); break;

    case 12:
    case 1:
    case 2: pl("winter");
  }
}