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

namespace _06.Safe_password_Gen
{
    class Program
    {
        static void Main(string[] args)
        {
            int a = int.Parse(Console.ReadLine());
            int b = int.Parse(Console.ReadLine());
            int numPass = int.Parse(Console.ReadLine());
            int counter = 0;

            for (int A = (char)'#'; A <= (char)'7'; A++)
            {
                for (int B = (char)'@'; B <= (char)'`'; B++)
                {
                    for (int x = 1; x <= a; x++)
                    {
                        for (int y = 1; y <= b; y++)
                        {
                            if (A > 55)
                            {
                                A = 35;
                            }
                            if (B > 96)
                            {
                                B = 64;
                            }

                            counter++;

                            if (counter <= numPass)
                            {
                                Console.Write($"{(char)A}{(char)B}{x}{y}{(char)B}{(char)A}|");
                                A++;
                                B++;
                                if (x == a && y == b)
                                {
                                    return;
                                }
                            }
                        }
                    }
                }
            }

        }
    }
}