import java.util.Scanner;
public class Main{
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
String string = scanner.nextLine();
int month = Integer.parseInt(string.substring(4,6));
if(3 <= month && month <= 5){
System.out.print("spring");
}else if(6 <= month && month <= 8){
System.out.print("summer");
}else if(9 <= month && month <= 11){
System.out.print("autumn");
}else{
System.out.print("winter");
}
}
}

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