import java.util.Scanner;

public class Triangle {
	public static void main(String[] args) {
		System.out.println("请输入三角形边长：");
		Scanner input1 = new Scanner(System.in);
		int a = input1.nextInt();
		Scanner input2 = new Scanner(System.in);
		int b = input2.nextInt();
		Scanner input3 = new Scanner(System.in);
		int c = input3.nextInt();
		if (a + b > c && a + c > b && b + c > a) {
			System.out.println("可以组成三角形");
		} else {
			System.out.println("不能组成三角形");
		}
	}
}