#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define ALL(v) v.begin(),v.end()
typedef long long ll;
 
#include<bits/stdc++.h>
using namespace std;
 
int main(){
  ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  
  vector<string> A={"spring","summer","fall","winter"};
  int x;
  cin>>x;
  x=(x+9)%12;
  cout<<A[x/3]<<endl;
    
  return 0;
}