import { readFileSync } from 'fs';
import { join } from 'path';

const fileString = readFileSync(join(__dirname, "input"), 'utf-8');
const rawCalories = fileString.split("\n\n");
var parsedCalories = [];
for (const calorieData of rawCalories) {
  var total: number = 0;
  const calorieStringArray = calorieData.split("\n");
  for (const calorie of calorieStringArray) {
    const c: number = +calorie;
    total += c;
  }
  parsedCalories.push(total);
}

console.log(Math.max(...parsedCalories));