package Main {

  sub main : int () {
    my $num1 = 2;
    my $num2 = 5;
    
    my $num3 = sum($num1, $num2);
    
    print($num3 . "\n");
    
    return 0;
  }

  sub sum : int ($num1 : int, $num2 : int) {
    my $num3 = $num1 + $num2;
    
    return $num3;
  }
}