Submission #1386355

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Source Code Expand

<?php
  class Input {
    public static function next() {
      $ret = "";
      fscanf(STDIN,"%s",$ret);
      return $ret;
    }
    
    
    public function nextInt() {
      return (int)$this->next();
    }
    
    public function nextDouble() {
      return (double)$this->next();
    }
  }
  
  class Output {
    public static function println($str = ""){
      echo $str . PHP_EOL;
    }
  }
  
  $in = new Input();
  $out = new Output();
  
  $a = $in->nextInt();
  $b= $in->nextInt();
  
  $out->println($a - $b);
?>

Submission Info

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