Code a,b = map(int,input().split()) out = a+b outstr = str(abs(out)) outstr = outstr[::-1] final_out = '' i = 0 for s in outstr: i += 1 final_out += s if i%3==0 and i<len(outstr): final_out+=',' if out>=0: print(final_out[::-1]) else: print(f'-{final_out[::-1]}')