개발야옹

https://www.acmicpc.net/problem/10808

const fs = require('fs');
const input = fs.readFileSync('/dev/stdin').toString().trim().split("");
const answer = [];

const dic = {
    a: 0,
    b: 0,
    c: 0,
    d: 0,
    e: 0,
    f: 0,
    g: 0,
    h: 0,
    i: 0,
    j: 0,
    k: 0,
    l: 0,
    m: 0,
    n: 0,
    o: 0,
    p: 0,
    q: 0,
    r: 0,
    s: 0,
    t: 0,
    u: 0,
    v: 0,
    w: 0,
    x: 0,
    y: 0,
    z: 0,
}

input.forEach((d) => {
    if(dic[d] !== undefined ) dic[d]++;
});

const keyList = Object.keys(dic);

keyList.forEach((key) => {
    answer.push(dic[key]);
});

console.log(answer.join(" "));