import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String[] abc = sc.nextLine().split(" ");
        sc.close();

        int count5 = 0;
        int count7 = 0;
        for(String s: abc) {
            if(s.equals("5")) {
                count5++;
            } else if(s.equals("7")) {
                count7++;
            }
        }
        if(count5 == 2 && count7 == 1) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String[] abc = sc.nextLine().split(" ");
        sc.close();

        int count5 = 0;
        int count7 = 0;
        for(String s: abc) {
            if(s.equals("5")) {
                count5++;
            } else if(s.equals("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);
        String[] abc = sc.nextLine().split(" ");
        sc.close();

        int count5 = 0;
        int count7 = 0;
        for(String s: abc) {
            if(s.equals("5")) {
                count5++;
            } else if(s.equals("7")) {
                count7++;
            }
        }
        if(count5 == 2 && count7 == 1) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    } main {
        Scanner sc = new Scanner(System.in);
        String[] abc = sc.nextLine().split(" ");
        sc.close();

        int count5 = 0;
        int count7 = 0;
        for(String s: abc) {
            if(s.equals("5")) {
                count5++;
            } else if(s.equals("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) String[] abc = sc.nextLine().split(" "); abc sc.nextLine().split(" ") sc.nextLine().split sc.nextLine() sc.nextLine sc " " sc.close() sc.close sc int count5 = 0; count5 0 int count7 = 0; count7 0 for(String s: abc) {
            if(s.equals("5")) {
                count5++;
            } else if(s.equals("7")) {
                count7++;
            }
        } String s abc {
            if(s.equals("5")) {
                count5++;
            } else if(s.equals("7")) {
                count7++;
            }
        } {
            if(s.equals("5")) {
                count5++;
            } else if(s.equals("7")) {
                count7++;
            }
        } if(s.equals("5")) {
                count5++;
            } else if(s.equals("7")) {
                count7++;
            } s.equals("5") s.equals s "5" {
                count5++;
            } count5++ count5 if(s.equals("7")) {
                count7++;
            } s.equals("7") s.equals s "7" {
                count7++;
            } 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("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);
        String[] abc = sc.nextLine().split(" ");
        sc.close();

        int count5 = 0;
        int count7 = 0;
        for(String s: abc) {
            if(s.equals("5")) {
                count5++;
            } else if(s.equals("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);
        String[] abc = sc.nextLine().split(" ");
        sc.close();

        int count5 = 0;
        int count7 = 0;
        for(String s: abc) {
            if(s.equals("5")) {
                count5++;
            } else if(s.equals("7")) {
                count7++;
            }
        }
        if(count5 == 2 && count7 == 1) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
} Main
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String[] abc = sc.nextLine().split(" ");
        sc.close();

        int count5 = 0;
        int count7 = 0;
        for(String s: abc) {
            if(s.equals("5")) {
                count5++;
            } else if(s.equals("7")) {
                count7++;
            }
        }
        if(count5 == 2 && count7 == 1) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
}
