const rl = require("readline").createInterface({ input: process.stdin }); var iter = rl[Symbol.asyncIterator](); const readline = async () => (await iter.next()).value; void async function () { // Write your code here let str = await readline() let letter = 0, space = 0, num = 0, other = 0 for (let i=0; i<str.length; i++) { let word = str[i] if (/[a-z]/ig.test(word)) { letter ++ } else if (/\s/.test(word)) { space ++ } else if (/[0-9]/.test(word)) { num ++ } else { other ++ } } console.log(`${letter}\n${space}\n${num}\n${other}`) }()