Need some help on a program

Working on a program from Kattis, and I’ve been using Codecademy’s Workspaces to test the code.
What is the issue with this piece of code?

var input = readLine(Word: );
if (input.includes(‘ss’)) {
console.log(‘hiss’)
} else {
console.log(‘no hiss’)
};

Project link: Hissing Microphone – Kattis, Kattis