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: Runtime Error)

package main
 
import (
    "bufio"
    "fmt"
    "os"
  "strings"
)
 
var sc = bufio.NewScanner(os.Stdin)
 
func nextLine() string {
    sc.Scan()
    return sc.Text()
}
 
func delete(slice []string, i int) (string, []string, error) {
    ret := slice[i]
    if len(slice) < i || len(slice) < i {
        return "", nil, fmt.Errorf("Error")
    }
    ans := make([]string, len(slice))
    copy(ans, slice)
 
    ans = append(slice[:i], slice[(i+1):]...)
 
    return ret, ans, nil
}
 
func main() {
  s := nextLine()
  slice := strings.Split(s, " ")
  target := []string{"5","7","5"}
  
  for _,v := range target{
    for i,n := range slice{
      if v==n {
        _,slice,_ = delete(slice,i)
        continue
      }
      fmt.Println("NO")
    }
  }
  fmt.Println("YES")
}