11. Snowballs

using System;
using System.Numerics;

namespace Snowball
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            BigInteger value = 0;
            string output = "";

            for (int i = 0; i < n; i++)
            {
                int snowballSnow = int.Parse(Console.ReadLine());
                int snowballTime = int.Parse(Console.ReadLine());
                int snowballQuality = int.Parse(Console.ReadLine());

                BigInteger x = BigInteger.Pow(snowballSnow / snowballTime, snowballQuality);

                if (x > value)
                {
                    value = x;
                    output = $"{snowballSnow} : {snowballTime} = {value} ({snowballQuality})";
                }
            }
            Console.WriteLine(output);
        }
    }
}