import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner sc=new Scanner(System.in);
        int a[]=new int[3];
        for(int i=0;i<3;i++){
        	a[i]=sc.nextInt();
        }
        Arrays.sort(a);
        if(a[0]==5 &&a[1]==5 &&a[2]==7){
        	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