Problem:
Score : 100 points

Problem Statement

Iroha loves Haiku. Haiku is a short form of Japanese poetry. A Haiku consists of three phrases with 5, 7 and 5 syllables, in this order.

To create a Haiku, Iroha has come up with three different phrases. These phrases have A, B and C syllables, respectively. Determine whether she can construct a Haiku by using each of the phrases once, in some order.

Constraints

1≦A,B,C≦10

Input

The input is given from Standard Input in the following format:

A B C

Output

If it is possible to construct a Haiku by using each of the phrases once, print YES (case-sensitive). Otherwise, print NO.

Sample Input 1

5 5 7

Sample Output 1

YES

Using three phrases of length 5, 5 and 7, it is possible to construct a Haiku.

Sample Input 2

7 7 5

Sample Output 2

NO

Solution in C (GCC 5.4.1) (judge verdict: Wrong Answer)

#include<stdio.h>

int main(){
  int a[3];
  scanf("%d %d %d", &a[0], &a[1], &a[2]);
  int i, j, tmp;
  for(i=0;i<2;i++){
    for(j=i+1;j<3;j++){
      if(a[i]<a[j]){
        tmp=a[i];
        a[i]=a[j];
        a[j]=tmp;
      }
    }
  }
  if(a[0]==7 && a[1]==5 && a[2]==5){
    printf("Yes");
  }else{
    printf("No");
  }
  return 0;
}