const fs = require('fs'); let data = fs.readFileSync('input.txt', 'utf-8'); let lines = data.split('\n').map(x => x.split(" ")); let count = 0 for ( let i = 0; i < lines.length; i++){ let line = lines[i] let lim = line[0].split("-") let char = line[1].substring(0,1) let pass = line[2] let one = (pass.charAt(lim[0]-1) == char) let other = (pass.charAt(lim[1]-1) == char) if (one^other){ console.log(pass) count++ } } console.log(count)