#cristmas tree
a=16
for i in range(10):
    for s in range(a):
        print(" ",end="")
    for j in range(i+1):
        print("* ",end="")
    a=a-1
    print()
a=15
for i in range(10):
    for s in range(a):
        print(" ",end="")
    for j in range(i+2):
        print("* ",end="")
    a=a-1
    print()
a=15
for i in range(10):
    for s in range(a):
        print(" ",end="")
    for j in range(i+2):
        print("* ",end="")
    a=a-1
    print()

a=15
for i in range(5):
    for s in range(a):
        print(" ",end="")
    for j in range(2):
        print("* ",end="")
    print()

