import java.util.*;

class Main{
	public static void main(String[] args){
		Scanner scan = new Scanner(System.in);
	int a = scan.nextInt();
	int b = scan.nextInt();
	int c = scan.nextInt();

	boolean isAB5C7 = (a==5 && b==5 && c==7);
	boolean isBC5A7 = (a==7 && b==5 && c==5);
	boolean isCA5B7 = (a==5 && b==7 && c==5);

	if(isCA5B7||isBC5A7||isAB5C7){
		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