#!/usr/bin/python

import eulerlib

n = 10000

if __name__ == '__main__':

ans = []

for ii in xrange(0, n):

d_ii = sum(eulerlib.propDivisors(ii))

if (sum(eulerlib.propDivisors(d_ii)) == ii) and (d_ii != ii):

ans.append(d_ii)

print d_ii, ' ', ii

print sum(ans)