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

}