import java.util.Scanner;
import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int max = a;
        if (max < b)
            max = b;
        if (max < c)
            max = c;
        int min = a;
        if (min > b)
            min = b;
        if (min > c)
            min = c;
        if (max == 7) {
            if (min == 5) {
                if (a + b + c - max - min == 5) {
                    System.out.println("YES");
                } else {
                    System.out.println("NO");
                }
            } else {
                System.out.println("NO");
            }
        } 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