def fib (a,b):
    print(0)
    print(1)
    for x in range (0,14):
        c = a + b
        print(c)
        a = b
        b = c
a = 0
b = 1
fib(a,b)
def rev_fib (c,b):
    print(c)
    print(b)
    for x in range (0,14):
        a = c - b
        print(a)
        c = b
        b = a
c = 610
b = 377
rev_fib (c,b)





