#include <iostream>
#include <vector>
using namespace std;
int main(){
	int x;cin>>x;
	if(x/3 == 1)cout << "spring" << endl;
	else if(x/3 == 2)cout << "summer" << endl;
	else if(x/3 == 3)cout << "fall" << endl;
	else cout << "winter" << endl;
}