class c(complex):__mul__=lambda s,o:c(s.real*o.real+s.imag*o.imag,s.real*o.imag+s.imag*o.real);__add__=lambda s,o:c(sum(map(complex,[s,o])))
import re
r=eval(re.sub("j","c(0,1)",re.sub(r"(-?\d+)",r"c(\1)",raw_input())))
print`int(r.real)`+"+j*"+`int(r.imag)`
Y2xhc3MgYyhjb21wbGV4KTpfX211bF9fPWxhbWJkYSBzLG86YyhzLnJlYWwqby5yZWFsK3MuaW1hZypvLmltYWcscy5yZWFsKm8uaW1hZytzLmltYWcqby5yZWFsKTtfX2FkZF9fPWxhbWJkYSBzLG86YyhzdW0obWFwKGNvbXBsZXgsW3Msb10pKSkKaW1wb3J0IHJlCnI9ZXZhbChyZS5zdWIoImoiLCJjKDAsMSkiLHJlLnN1YihyIigtP1xkKykiLHIiYyhcMSkiLHJhd19pbnB1dCgpKSkpCnByaW50YGludChyLnJlYWwpYCsiK2oqIitgaW50KHIuaW1hZylg