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

namespace Safe_Passwords_Generator
{
    class Program
    {
        static void Main(string[] args)
        {
            int a = int.Parse(Console.ReadLine());
            int b = int.Parse(Console.ReadLine());
            int max = int.Parse(Console.ReadLine());

            int min = 1;

            for (int i = 34; i <= 55; i++)
            {
                for (int k = 63; k <= 96; k++)
                {
                    for (int d = 1; d <= a; d++)
                    {
                        for (int m = 1; m <= b; m++)
                        {
                            i++;
                            k++;

                            if (i > 55)
                            {
                                i = 35;
                            }
                            if (k > 96)
                            {
                                k = 64;
                            }
                            Console.Write($"{(char)i}{(char)k}{d}{m}{(char)k}{(char)i}|");
                            min++;
                            if (min > max)
                            {
                                return;
                            }
                        }
                    }
                }
            }
        }
    }