int input int input amount_password int input counter print_x1 35 prin

a = int(input())
b = int(input())
amount_password = int(input())
counter = 0
print_x1 = 35
print_x2 = 64
for x1 in range(a):
    for x2 in range(b):
        for num1 in range(1, a + 1):
            for num2 in range(1, b + 1):
                if print_x1 == 56:
                    print_x1 = 35
                if print_x2 == 97:
                    print_x2 = 64
                print(f"{chr(print_x1)}{chr(print_x2)}{num1}{num2}{chr(print_x2)}{chr(print_x1)}|", end='')
                print_x1 += 1
                print_x2 += 1
                counter += 1
                if amount_password == counter or (num1 == a and num2 == b):
                    exit()