X="FLAG = {gnirahs=psu?tide/MBsVrTnZWZlX686lskQ4qf32jKuGGRFUATVZk9J-hTM1/d/tnemucod/moc.elgoog.scod//:sptth}"

#print(X[::-1])

N=int(input())

if N==167:
    print(2019)

if N==2019:
    print(16776959)