def main():
    x = int(input("Enter a number: "))
    y = int(input("Enter a number: "))
    i = 0
    line = ""
    while i < x + y:
        line = line + "*"
        print(line)
        i = i + 1
    while i > x - y:
        print("=", end="")
        i = i - 1
    print()


main()