#!/usr/bin/python

import sys

def fibonacci(n):
    if n == 0:
        return 0
    elif n == 1:
        return 1
    else:
        return fibonacci(n-1) + fibonacci(n-2)

def main():
    fibonacci(40)
    sys.exit(0)

if __name__ == '__main__':main()
#!/usr/bin/python

import sys

def fibonacci(n):
    if n == 0:
        return 0
    elif n == 1:
        return 1
    else:
        return fibonacci(n-1) + fibonacci(n-2)

def main():
    fibonacci(40)
    sys.exit(0)

if __name__ == '__main__':main()
#!/usr/bin/python