# Author: Manfred Scheucher
# Date  : 12.06.2015
from itertools import combinations
from sys import argv
maxdig = int(argv[1])
F = list(fibonacci_xrange(2*10^maxdig))
N = {Integer(sqrt(fb-fa)) for fa,fb in combinations(F,2) if (fb-fa).is_square()}
print list(sorted(N))
print "no more terms < 10^"+str(maxdig)