using System;
using System.Collections.Generic;
using System.Linq;

namespace ConsoleApplication67
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            var budget = decimal.Parse(Console.ReadLine());
            var productPrice = new Dictionary<string, decimal>();
            var input = Console.ReadLine();
            while (input != "end")
            {
                var inputArgs = input.Split(' ');
                productPrice[inputArgs[0]] = decimal.Parse(inputArgs[1]);
                input = Console.ReadLine();
            }
            if (productPrice.Sum(x => x.Value) > budget)
                Console.WriteLine("Need more money... Just buy banichka");
            else
                foreach (var kvp in productPrice.OrderByDescending(x => x.Value).ThenBy(x => x.Key.Length))
                    Console.WriteLine($"{kvp.Key} costs {kvp.Value:F2}");
        }
    }
}