base_height = int(input('Enter arrow base height:\n'))
base_width = int(input('Enter arrow base width:\n'))
head_width = int(input('Enter arrow head width:\n'))

while head_width <= base_width:
    head_width = int(input('Enter arrow head width:\n'))
print('')
for i in range (base_height):
    i = ('*' * base_width)
    print(i)
for j in range(head_width):
    j = '*' * head_width
    print (j)
    head_width -= 1