Look For Ten Using PHP Programming Language

enter image description hereI am trying to write a program to create a function that takes two arguments. Both arguments are integers, a and b. And it will return true if one of them is 10 or if their sum is 10. And I am doing it on “Codemama” platform. The numbers are given on the console area in codemama platform and the output is not showing as expected. Do I have to call “lookForTen” function? Because if I have to then I have to pass the arguments after calling the function. But as I said it’s already available in the console. And the output is supposed to be “true” but it’s not showing anything Here’s the code below. Please help me find the mistake.

<?php
    # Write your PHP code from here

    $a = trim(fgets(STDIN)); 
    $b = trim(fgets(STDIN));


function lookForTen($a, $b):bool{

    if($a + $b == 10){

        return true;
        
    }
    
    else{

        return false;
        
    }
}

?>