import java.util.*;

public class Main{
  
	public static void main(String[] args) {
      
  		Scanner scanner = new Scanner(System.in);
  
  		int A = scanner.nextInt();
  		int B = scanner.nextInt();
  		int C = scanner.nextInt();
  
  		if( A * B * C == 175 ){
    		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