# your code goes here
def serie1(n): #EJ 1. 4, 5, 9, 14, 23, 37
serie=""
a,b,c=3,1,0
for i in range(0,n):
c=a+b
a=b
b=c
serie+= str(c) + " , "
return serie
print(serie1(6))
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCgoKZGVmIHNlcmllMShuKTogI0VKIDEuICAgIDQsIDUsIDksIDE0LCAyMywgMzcKICAgIHNlcmllPSIiCiAgICBhLGIsYz0zLDEsMAogICAgZm9yIGkgaW4gcmFuZ2UoMCxuKToKICAgICAgICBjPWErYgogICAgICAgIGE9YgogICAgICAgIGI9YwogICAgICAgIHNlcmllKz0gc3RyKGMpICsgIiAsICIKICAgIHJldHVybiBzZXJpZSAgICAKcHJpbnQoc2VyaWUxKDYpKQ==