import java.util.Scanner;
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 max = a;
        if (max < b)
            max = b;
        if (max < c)
            max = c;
        int min = a;
        if (min > b)
            min = b;
        if (min > c)
            min = c;
        if (max == 7) {
            if (min == 5) {
                if (a + b + c - max - min == 5) {
                    System.out.println("YES");
                } else {
                    System.out.println("NO");
                }
            } else {
                System.out.println("NO");
            }
        } else {
            System.out.println("NO");
        }
    }
} import java.util.Scanner; Scanner java.util 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 max = a;
        if (max < b)
            max = b;
        if (max < c)
            max = c;
        int min = a;
        if (min > b)
            min = b;
        if (min > c)
            min = c;
        if (max == 7) {
            if (min == 5) {
                if (a + b + c - max - min == 5) {
                    System.out.println("YES");
                } else {
                    System.out.println("NO");
                }
            } else {
                System.out.println("NO");
            }
        } 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 max = a;
        if (max < b)
            max = b;
        if (max < c)
            max = c;
        int min = a;
        if (min > b)
            min = b;
        if (min > c)
            min = c;
        if (max == 7) {
            if (min == 5) {
                if (a + b + c - max - min == 5) {
                    System.out.println("YES");
                } else {
                    System.out.println("NO");
                }
            } else {
                System.out.println("NO");
            }
        } 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 max = a;
        if (max < b)
            max = b;
        if (max < c)
            max = c;
        int min = a;
        if (min > b)
            min = b;
        if (min > c)
            min = c;
        if (max == 7) {
            if (min == 5) {
                if (a + b + c - max - min == 5) {
                    System.out.println("YES");
                } else {
                    System.out.println("NO");
                }
            } else {
                System.out.println("NO");
            }
        } 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 max = a; max a if (max < b)
            max = b; max < b max b max = b max b if (max < c)
            max = c; max < c max c max = c max c int min = a; min a if (min > b)
            min = b; min > b min b min = b min b if (min > c)
            min = c; min > c min c min = c min c if (max == 7) {
            if (min == 5) {
                if (a + b + c - max - min == 5) {
                    System.out.println("YES");
                } else {
                    System.out.println("NO");
                }
            } else {
                System.out.println("NO");
            }
        } else {
            System.out.println("NO");
        } max == 7 max 7 {
            if (min == 5) {
                if (a + b + c - max - min == 5) {
                    System.out.println("YES");
                } else {
                    System.out.println("NO");
                }
            } else {
                System.out.println("NO");
            }
        } if (min == 5) {
                if (a + b + c - max - min == 5) {
                    System.out.println("YES");
                } else {
                    System.out.println("NO");
                }
            } else {
                System.out.println("NO");
            } min == 5 min 5 {
                if (a + b + c - max - min == 5) {
                    System.out.println("YES");
                } else {
                    System.out.println("NO");
                }
            } if (a + b + c - max - min == 5) {
                    System.out.println("YES");
                } else {
                    System.out.println("NO");
                } a + b + c - max - min == 5 a + b + c - max - min a + b + c - max - min a + b + c a + b + c a b c max min 5 {
                    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" {
                System.out.println("NO");
            } System.out.println("NO") System.out.println System.out System System.out "NO" {
            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);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int max = a;
        if (max < b)
            max = b;
        if (max < c)
            max = c;
        int min = a;
        if (min > b)
            min = b;
        if (min > c)
            min = c;
        if (max == 7) {
            if (min == 5) {
                if (a + b + c - max - min == 5) {
                    System.out.println("YES");
                } else {
                    System.out.println("NO");
                }
            } else {
                System.out.println("NO");
            }
        } 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 max = a;
        if (max < b)
            max = b;
        if (max < c)
            max = c;
        int min = a;
        if (min > b)
            min = b;
        if (min > c)
            min = c;
        if (max == 7) {
            if (min == 5) {
                if (a + b + c - max - min == 5) {
                    System.out.println("YES");
                } else {
                    System.out.println("NO");
                }
            } else {
                System.out.println("NO");
            }
        } else {
            System.out.println("NO");
        }
    }
} Main
import java.util.Scanner;
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 max = a;
        if (max < b)
            max = b;
        if (max < c)
            max = c;
        int min = a;
        if (min > b)
            min = b;
        if (min > c)
            min = c;
        if (max == 7) {
            if (min == 5) {
                if (a + b + c - max - min == 5) {
                    System.out.println("YES");
                } else {
                    System.out.println("NO");
                }
            } else {
                System.out.println("NO");
            }
        } else {
            System.out.println("NO");
        }
    }
}
