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

namespace Testove
{
    class Program
    {
        static void Main(string[] args)
        {
            int biscuitsPerDay = int.Parse(Console.ReadLine());
            int workers = int.Parse(Console.ReadLine());
            int otherFactory = int.Parse(Console.ReadLine());
            double ourFactory = workers * biscuitsPerDay * 20;
            double withThirth = Math.Floor(((workers * biscuitsPerDay) * 0.75)) * 10;
            double total = ourFactory + withThirth;

            Console.WriteLine($"You have produced {(int)total} biscuits for the past month.");
            double percentage = 0.0;
            if(total >= otherFactory)
            {
                percentage = ((total - otherFactory) / otherFactory) * 100;
                Console.WriteLine($"You produce {percentage:F2} percent more biscuits.");
            }
            else
            {
                percentage = ((otherFactory - total) / otherFactory) * 100;
                Console.WriteLine($"You produce {percentage:F2} percent less biscuits.");
            }
        }
    }
}