from itertools import count
for r in count(1):
for q in xrange(1, r + 1):
for p in xrange(1, q + 1):
# 1/p + 1/q + 1/r = 1/2
# qr + pr + pq = pqr/2
# 2(qr + pr + pq) = pqr
if 2*(q*r + p*r + p*q) == p*q*r:
print p, q, r
ZnJvbSBpdGVydG9vbHMgaW1wb3J0IGNvdW50CmZvciByIGluIGNvdW50KDEpOgogICAgZm9yIHEgaW4geHJhbmdlKDEsIHIgKyAxKToKICAgICAgICBmb3IgcCBpbiB4cmFuZ2UoMSwgcSArIDEpOgogICAgICAgICAgICAjIDEvcCArIDEvcSArIDEvciA9IDEvMgogICAgICAgICAgICAjIHFyICsgcHIgKyBwcSA9IHBxci8yCiAgICAgICAgICAgICMgMihxciArIHByICsgcHEpID0gcHFyCiAgICAgICAgICAgIGlmIDIqKHEqciArIHAqciArIHAqcSkgPT0gcCpxKnI6CiAgICAgICAgICAgICAgICBwcmludCBwLCBxLCBy