

import java.util.Scanner;
public class Main {

	public static void main(String[] args) {
		Scanner input = new Scanner (System.in);
		int A,B,C;
		A = input.nextInt();
		B = input.nextInt();
		C = input.nextInt();
	if ((A==5&&B==5&& C== 7)|| (A==5&&B==7&& C== 5) || (A==7&&B==5&& C== 5) )
 { System.out.println("YES");}		
		else { System.out.println("NO");}

				
	}

}


/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz