[백준] 15964 Node.js

const fs = require('fs');
const input = fs.readFileSync("/dev/stdin").toString().trim().split(" ").map(Number);

let result = 0;

const cal = (a, b) => {
    return (a+b) * (a-b)
}

result = cal(input[0], input[1])
console.log(result)