#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <utility>
#include <map>
#include <set>
#include <queue>
#include <iomanip>
#include <cstring>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
typedef long long ll;
#define rep(i,n) for (int i = 0; i < int(n);i++)

int main(){
  int x;
  cin >> x;
  x%= 12;
  if (0 <= x && x <= 2){
    cout << "winter\n";
  }
  else if (3 <= x && x <= 5){
    cout << "spring\n";
  }
  else if (6 <= x && x <= 8){
    cout << "summer\n";
  }
  else cout << "fall\n";


  return 0;
}