const readline = require('readline') const rl = readline.createInterface({ input: process.stdin, ouput: process.stdout }) let inArr = [] rl.on('line',line=>{ if(!line) return inArr.push(line.trim()) if(inArr.length === 1){ let a = inArr[0] a = JSON.parse(a) a.sort((a,b) => b-a) console.log(a[2]) } })