import java.util.Scanner;
public class Main{
  public static void main(String[] args){
    int a,b,c;
    String str;
    Scanner scr = new Scanner(System.in);
    a = scr.nextInt();
    b = scr.nextInt();
    c = scr.nextInt();
    if(a==7) {
    	if(b==5 && c==5) {
    		str="YES";
    	}else{
    		str="NO";
    	}
    }else if(a==5) {
    	if(b==5 && c==7) {
    		str="YES";
    	}else if(b==7 && c==5) {
    		str="YES";
    	}else {
    		str="NO";
    	}
    }else{
    	str="NO";
    }
    System.out.println(str);
  }
}
/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