console.time("Do")
let amounts = require("fs")
    .readFileSync(`${__dirname}/inputs/day6.txt`,"utf8")
    .split(",")
    .reduce((s, t) => { s[t]++; return s }, new Array(9).fill(0));

const log = () => console.log(amounts.reduce((s, x) => s + x, 0));

[...Array(256)].forEach((_, i) => {
    amounts = [...Array(9)].map((_,i) => {
        let val = amounts[(i + 1) % 9];
        if (i === 6) {
            val += amounts[0];
        }
        return val;
    });
    i == 79 && log()
});
log();
console.timeEnd("Do")