import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		double n = sc.nextDouble();
		if(n >= 92.8){
			System.out.println("jin");
		}else if(n >= 85.6 && n < 92.8){
			System.out.println("yin");
		}else if(n >= 82.1 && n < 85.6){
			System.out.println("tong");
		}else if(n < 82.1){
			System.out.println("sorry");
		}
		sc.close();
	}

}
/**************************************************************
	Problem: 1668
	User: admin
	Language: Java
	Result: Accepted
	Time:1434 ms
	Memory:40612 kb
****************************************************************/