const fs = require('fs');
const file = fs.readFileSync(__dirname + '/input.txt').toString('utf-8');
const arr = file.split('\n');

arr.forEach(num => {
    arr.forEach(num2 => {
        arr.forEach(num3 => {
            if (Number(num) + Number(num2) + Number(num3) == 2020) {
                console.log(`Found match: ${num} + ${num2} + ${num3} (${num * num2 * num3})`);
            }
        });
    });
});