package com.codegym.task.task04.task0415;
/*
Rule of the triangle
*/
import java.io.*;
import java.util.Scanner;
public class Solution {
public static void main(String[] args) throws Exception {
//write your code here
// BufferedReader bufferedReader = new BufferedReader(new InputStreamReader( System.in));
// String lenA= bufferedReader.readLine();
Scanner scanner = new Scanner(System.in);
int a= scanner.nextInt();
int b= scanner.nextInt();
int c= scanner.nextInt();
if (c<=(a+b) && b<= (a+ c) && a<=(b+c))
System.out.println("The triangle is possible.");
if (c >(a+b) || b>(a+b) || a>(b+c))
System.out.println("The triangle is not possible.");
//else
// System.out.println("The triangle is not possible.");
}
}