Problem:
Score : 100 points

Problem Statement

You are given a string S of length 3 consisting of a, b and c. Determine if S can be obtained by permuting abc.

Constraints

|S|=3

S consists of a, b and c.

Input

Input is given from Standard Input in the following format:

S

Output

If S can be obtained by permuting abc, print Yes; otherwise, print No.

Sample Input 1

bac

Sample Output 1

Yes

Swapping the first and second characters in bac results in abc.

Sample Input 2

bab

Sample Output 2

No

Sample Input 3

abc

Sample Output 3

Yes

Sample Input 4

aaa

Sample Output 4

No

Solution in PHP (5.6.30) (judge verdict: Accepted)

<?php
  
fscanf(STDIN,"%s", $S);

$count = array("a" => 0, "b" => 0, "c" => 0);

for($i=0; $i<3; $i++){
  $char=$S[$i];
  if(array_key_exists($char,$count)){
    $count[$char] ++;
  }
}
if($count["a"] == 1 && $count["b"] == 1 && $count["c"] == 1){
 echo "Yes";
}else{
 echo "No";
}