import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[]args){
		Scanner scan = new Scanner(System.in);
		
		int[] A = new int[3];
		
		for(int i = 0;i<3;i++){
			A[i] = scan.nextInt();
		}
		
		Arrays.sort(A);//昇順にソート
		
		if(A[0]==5&&A[1]==5&&A[2]==7)
			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