const fs = require('fs');

const input = fs.readFileSync(__dirname + '/input.txt', 'utf8');

let stones: Array<string> = input.slice(0, -1).split(' ');

let sum = 0;

function splitStones(stones: Array<string>) {
    const newStones: Array<string> = [];
    stones.forEach((stone) => {
        if (stone === '0') {
            newStones.push('1');
            return;
        }
        const len = stone.length;
        if (len % 2 === 0) {
            newStones.push(stone.slice(0, len / 2));
            let last = stone.slice(len / 2);
            newStones.push(''+(parseInt(last)));
            return;
        }
        newStones.push(''+(parseInt(stone) * 2024));
    });
    return newStones;
}

let newStones = stones;

const blinks = 25;

for (let i = 0; i < blinks; i++) {
    newStones = splitStones(newStones);
}

console.log(newStones.length);