бабиОнли

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FirstDemoLovech
{
    public class Program
    {
        public static void Main()
        {
            int men = int.Parse(Console.ReadLine());
            int women = int.Parse(Console.ReadLine());
            int maxTables = int.Parse(Console.ReadLine());
            int currentTable = 0;
            for (int m = 1; m <= men; m++)
            {
                for (int w = 1; w <= women; w++)
                {
                    Console.Write($"({m} <-> {w}) ");
                    currentTable++;
                    if (currentTable == maxTables) return;
                }
            }


        }
    }
}