import java.util.*;
public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        int count5 = 0;
        int count7 = 0;

        if(A == 5) count5++;
        else if(A == 7) count7++;

        if(B == 5) count5++;
        else if(B == 7) count7++;

        if(C == 5) count5++;
        else if(C == 7) count7++;

        if(count5 == 2 && count7 == 1) System.out.println("YES");
        else System.out.println("NO");
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        int count5 = 0;
        int count7 = 0;

        if(A == 5) count5++;
        else if(A == 7) count7++;

        if(B == 5) count5++;
        else if(B == 7) count7++;

        if(C == 5) count5++;
        else if(C == 7) count7++;

        if(count5 == 2 && count7 == 1) System.out.println("YES");
        else System.out.println("NO");
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        int count5 = 0;
        int count7 = 0;

        if(A == 5) count5++;
        else if(A == 7) count7++;

        if(B == 5) count5++;
        else if(B == 7) count7++;

        if(C == 5) count5++;
        else if(C == 7) count7++;

        if(count5 == 2 && count7 == 1) System.out.println("YES");
        else System.out.println("NO");
    } main {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        int count5 = 0;
        int count7 = 0;

        if(A == 5) count5++;
        else if(A == 7) count7++;

        if(B == 5) count5++;
        else if(B == 7) count7++;

        if(C == 5) count5++;
        else if(C == 7) count7++;

        if(count5 == 2 && count7 == 1) 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 int count5 = 0; count5 0 int count7 = 0; count7 0 if(A == 5) count5++;
        else if(A == 7) count7++; A == 5 A 5 count5++ count5 if(A == 7) count7++; A == 7 A 7 count7++ count7 if(B == 5) count5++;
        else if(B == 7) count7++; B == 5 B 5 count5++ count5 if(B == 7) count7++; B == 7 B 7 count7++ count7 if(C == 5) count5++;
        else if(C == 7) count7++; C == 5 C 5 count5++ count5 if(C == 7) count7++; C == 7 C 7 count7++ count7 if(count5 == 2 && count7 == 1) System.out.println("YES");
        else System.out.println("NO"); count5 == 2 && count7 == 1 count5 == 2 count5 2 count7 == 1 count7 1 System.out.println("YES") System.out.println System.out System System.out "YES" 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);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        int count5 = 0;
        int count7 = 0;

        if(A == 5) count5++;
        else if(A == 7) count7++;

        if(B == 5) count5++;
        else if(B == 7) count7++;

        if(C == 5) count5++;
        else if(C == 7) count7++;

        if(count5 == 2 && count7 == 1) System.out.println("YES");
        else System.out.println("NO");
    }
} public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        int count5 = 0;
        int count7 = 0;

        if(A == 5) count5++;
        else if(A == 7) count7++;

        if(B == 5) count5++;
        else if(B == 7) count7++;

        if(C == 5) count5++;
        else if(C == 7) count7++;

        if(count5 == 2 && count7 == 1) System.out.println("YES");
        else System.out.println("NO");
    }
} Main
import java.util.*;
public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        int count5 = 0;
        int count7 = 0;

        if(A == 5) count5++;
        else if(A == 7) count7++;

        if(B == 5) count5++;
        else if(B == 7) count7++;

        if(C == 5) count5++;
        else if(C == 7) count7++;

        if(count5 == 2 && count7 == 1) System.out.println("YES");
        else System.out.println("NO");
    }
}
