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 Go (1.6) (judge verdict: Wrong Answer)

package main
import (
  "bufio"
  "fmt"
  "strings"
  "os"
)

func main() {
  solve()
}

func solve() {
  input := bufio.NewScanner(os.Stdin)
  input.Scan()
  
  var five, seven int
  for _, v := range strings.Split(input.Text(), " ") {
    if string(v) == "5" {
      five++
    } else if string(v) == "7" {
      seven++
    }
  }
    if five == 2 && seven == 1 {
      fmt.Println("Yes")
    } else {
      fmt.Println("No")
    }
}