import java.util.Scanner;

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();
		
		if(A==5&&B==5) {
			if(C==7) {
				System.out.print("YES");
			}
		}
		else if(B==5&&C==5) {
			if(A==7) {
				System.out.print("YES");
			}
		}
		else if(C==5&&A==5) {
			if(B==7) {
				System.out.print("YES");
			}
		}
		else {
			System.out.print("NO");
		}
		
		sc.close();
	}
} import java.util.Scanner; Scanner 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();
		
		if(A==5&&B==5) {
			if(C==7) {
				System.out.print("YES");
			}
		}
		else if(B==5&&C==5) {
			if(A==7) {
				System.out.print("YES");
			}
		}
		else if(C==5&&A==5) {
			if(B==7) {
				System.out.print("YES");
			}
		}
		else {
			System.out.print("NO");
		}
		
		sc.close();
	}
} 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();
		
		if(A==5&&B==5) {
			if(C==7) {
				System.out.print("YES");
			}
		}
		else if(B==5&&C==5) {
			if(A==7) {
				System.out.print("YES");
			}
		}
		else if(C==5&&A==5) {
			if(B==7) {
				System.out.print("YES");
			}
		}
		else {
			System.out.print("NO");
		}
		
		sc.close();
	} main {
		
		Scanner sc=new Scanner(System.in);
		
		int A=sc.nextInt();
		int B=sc.nextInt();
		int C=sc.nextInt();
		
		if(A==5&&B==5) {
			if(C==7) {
				System.out.print("YES");
			}
		}
		else if(B==5&&C==5) {
			if(A==7) {
				System.out.print("YES");
			}
		}
		else if(C==5&&A==5) {
			if(B==7) {
				System.out.print("YES");
			}
		}
		else {
			System.out.print("NO");
		}
		
		sc.close();
	} 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==5) {
			if(C==7) {
				System.out.print("YES");
			}
		}
		else if(B==5&&C==5) {
			if(A==7) {
				System.out.print("YES");
			}
		}
		else if(C==5&&A==5) {
			if(B==7) {
				System.out.print("YES");
			}
		}
		else {
			System.out.print("NO");
		} A==5&&B==5 A==5 A 5 B==5 B 5 {
			if(C==7) {
				System.out.print("YES");
			}
		} if(C==7) {
				System.out.print("YES");
			} C==7 C 7 {
				System.out.print("YES");
			} System.out.print("YES") System.out.print System.out System System.out "YES" if(B==5&&C==5) {
			if(A==7) {
				System.out.print("YES");
			}
		}
		else if(C==5&&A==5) {
			if(B==7) {
				System.out.print("YES");
			}
		}
		else {
			System.out.print("NO");
		} B==5&&C==5 B==5 B 5 C==5 C 5 {
			if(A==7) {
				System.out.print("YES");
			}
		} if(A==7) {
				System.out.print("YES");
			} A==7 A 7 {
				System.out.print("YES");
			} System.out.print("YES") System.out.print System.out System System.out "YES" if(C==5&&A==5) {
			if(B==7) {
				System.out.print("YES");
			}
		}
		else {
			System.out.print("NO");
		} C==5&&A==5 C==5 C 5 A==5 A 5 {
			if(B==7) {
				System.out.print("YES");
			}
		} if(B==7) {
				System.out.print("YES");
			} B==7 B 7 {
				System.out.print("YES");
			} System.out.print("YES") System.out.print System.out System System.out "YES" {
			System.out.print("NO");
		} System.out.print("NO") System.out.print System.out System System.out "NO" sc.close() sc.close sc 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();
		
		if(A==5&&B==5) {
			if(C==7) {
				System.out.print("YES");
			}
		}
		else if(B==5&&C==5) {
			if(A==7) {
				System.out.print("YES");
			}
		}
		else if(C==5&&A==5) {
			if(B==7) {
				System.out.print("YES");
			}
		}
		else {
			System.out.print("NO");
		}
		
		sc.close();
	}
} 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();
		
		if(A==5&&B==5) {
			if(C==7) {
				System.out.print("YES");
			}
		}
		else if(B==5&&C==5) {
			if(A==7) {
				System.out.print("YES");
			}
		}
		else if(C==5&&A==5) {
			if(B==7) {
				System.out.print("YES");
			}
		}
		else {
			System.out.print("NO");
		}
		
		sc.close();
	}
} Main
import java.util.Scanner;

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();
		
		if(A==5&&B==5) {
			if(C==7) {
				System.out.print("YES");
			}
		}
		else if(B==5&&C==5) {
			if(A==7) {
				System.out.print("YES");
			}
		}
		else if(C==5&&A==5) {
			if(B==7) {
				System.out.print("YES");
			}
		}
		else {
			System.out.print("NO");
		}
		
		sc.close();
	}
}
