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

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

            int count = 0;
            int combo = a * b;

            for (int i = '#'; i <= '7'; i++)
            {
                for (int j = '@'; j <= '`'; j++)
                {
                    for (int k = 1; k <= a; k++)
                    {
                        for (int l = 1; l <= b; l++)
                        {
                            Console.Write($"{(char)i}{(char)j}{k}{l}{(char)j}{(char)i}|");
                            if (j == '`') j = '?';
                            j++;
                            if (i == '7') i = '"';
                            i++;
                            count++;
                            if (count == maxPasswords) return;
                            if (count == combo) return;
                        }
                    }
                }
            }
        }
    }
}