
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)
            System.out.println("YES");
        else if(A==7&B==5&C==5)
            System.out.println("YES");
        else if(A==5&B==7&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