#include <bits/stdc++.h>

using namespace std;
#define fast ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
#define ll long long
#define ld long double
const int N = 1e9;

int main() {
    fast

    int n; cin>>n;
    if(n>=3&&n<=5)cout<<"spring";
    else if(n>=6&&n<=8)cout<<"summer";
    else if(n>=9&&n<=11)cout<<"fall";
    else cout<<"winter";
}