import java.util.*;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Arrays;
import java.util.Collections;
import java.lang.*;
import java.io.*;

public class Main {
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        //ArrayList<Integer> list;
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        if(a == 5 && b == 7 && c == 5){
            System.out.println("YES");
        }else if(a == 7 && b == 5 && c == 5){
            System.out.println("YES");
        }else if(a == 5 && b == 5 && c == 7){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
	}
} import java.util.*; util.* java import java.util.ArrayList; ArrayList java.util import java.util.Iterator; Iterator java.util import java.util.List; List java.util import java.util.Arrays; Arrays java.util import java.util.Collections; Collections java.util import java.lang.*; lang.* java import java.io.*; io.* java public class Main {
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        //ArrayList<Integer> list;
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        if(a == 5 && b == 7 && c == 5){
            System.out.println("YES");
        }else if(a == 7 && b == 5 && c == 5){
            System.out.println("YES");
        }else if(a == 5 && b == 5 && c == 7){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
	}
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        //ArrayList<Integer> list;
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        if(a == 5 && b == 7 && c == 5){
            System.out.println("YES");
        }else if(a == 7 && b == 5 && c == 5){
            System.out.println("YES");
        }else if(a == 5 && b == 5 && c == 7){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
	} main {
        Scanner sc = new Scanner(System.in);
        //ArrayList<Integer> list;
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        if(a == 5 && b == 7 && c == 5){
            System.out.println("YES");
        }else if(a == 7 && b == 5 && c == 5){
            System.out.println("YES");
        }else if(a == 5 && b == 5 && c == 7){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc if(a == 5 && b == 7 && c == 5){
            System.out.println("YES");
        }else if(a == 7 && b == 5 && c == 5){
            System.out.println("YES");
        }else if(a == 5 && b == 5 && c == 7){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        } a == 5 && b == 7 && c == 5 a == 5 && b == 7 && c == 5 a == 5 a 5 b == 7 b 7 c == 5 c 5 {
            System.out.println("YES");
        } System.out.println("YES") System.out.println System.out System System.out "YES" if(a == 7 && b == 5 && c == 5){
            System.out.println("YES");
        }else if(a == 5 && b == 5 && c == 7){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        } a == 7 && b == 5 && c == 5 a == 7 && b == 5 && c == 5 a == 7 a 7 b == 5 b 5 c == 5 c 5 {
            System.out.println("YES");
        } System.out.println("YES") System.out.println System.out System System.out "YES" if(a == 5 && b == 5 && c == 7){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        } a == 5 && b == 5 && c == 7 a == 5 && b == 5 && c == 7 a == 5 a 5 b == 5 b 5 c == 7 c 7 {
            System.out.println("YES");
        } System.out.println("YES") System.out.println System.out System System.out "YES" {
            System.out.println("NO");
        } System.out.println("NO") System.out.println System.out System System.out "NO" String[] args args public class Main {
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        //ArrayList<Integer> list;
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        if(a == 5 && b == 7 && c == 5){
            System.out.println("YES");
        }else if(a == 7 && b == 5 && c == 5){
            System.out.println("YES");
        }else if(a == 5 && b == 5 && c == 7){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
	}
} public class Main {
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        //ArrayList<Integer> list;
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        if(a == 5 && b == 7 && c == 5){
            System.out.println("YES");
        }else if(a == 7 && b == 5 && c == 5){
            System.out.println("YES");
        }else if(a == 5 && b == 5 && c == 7){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
	}
} Main
import java.util.*;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Arrays;
import java.util.Collections;
import java.lang.*;
import java.io.*;

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