import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
        int nums[] = new int[3];
      	boolean irj = true;
      
      	for(int i = 0;i < 3;i++) nums[i] = sc.nextInt();
        Arrays.sort(nums); 
      
      	if(nums[0] != 5) irj = false;
      	if(nums[1] != 5) irj = false;
      	if(nums[2] != 7) irj = false; 
          
        if(irj) System.out.print("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