import * as fs from 'fs';
import path from 'path';
import {readFile} from "../../utils";

let input = readFile(path.resolve(__dirname, 'input.txt'));

const ans = Math.max(
    ...input
        .split("\n\n")
        .map(a => a.split("\n"))
        .map(buck => buck
            .map(Number)
            .reduce((a, b) => a + b), 0)
)

console.log(ans);