number = int(input())

first_number = int(str(number)[0])
second_numer = int(str(number)[1])
third_numer = int(str(number)[2])


for i in range(1, third_numer + 1):
    for y in range(1, second_numer + 1):
        for u in range(1, first_number + 1):
            print(f"{i} * {y} * {u} = {u * y * i};")