const fs = require('fs'); let data = fs.readFileSync('input.txt', 'utf-8'); let lines = data.split('\n').map(x => parseInt(x)); let done = false lines.forEach((number, index) => { if (done) {return} lines.forEach((number2, index2) => { if (done) {return} lines.forEach((number3, index3) => { if (done) {return} if (index != index2 && index != index3 && index2 != index3) { //console.log(number, number2) if (number + number2 + number3 == 2020){ done = true console.log(number, number2, number3, number*number2*number3) } } }) }) })