3 + 5 = 8 8 - 2 = 6 5 - 0 = 5 8888888888 + 2222222222 = 11111111110 10000000000 - 9999999999 = 1 10000000000 - 9999999999 = 1 19385838321938583832193858383219385838321938583832193858383219385838321938583832193858383219385838321938583832193858383200000000000000000000000000000000000000000000000000000000000000000000000000000000 + 95234567809123456780912345678091234567809123456780912345678091234567809123456780912345678091234567809123456780912345678091234567809123456780912345678091234567809123456780912345678091234567809123456780 = 114620406131062040613106204061310620406131062040613106204061310620406131062040613106204061310620406131062040613106204061291234567809123456780912345678091234567809123456780912345678091234567809123456780 95234567809123456780912345678091234567809123456780912345678091234567809123456780912345678091234567809123456780912345678091234567809123456780912345678091234567809123456780912345678091234567809123456780 - 19385838321938583832193858383219385838321938583832193858383219385838321938583832193858383219385838321938583832193858383200000000000000000000000000000000000000000000000000000000000000000000000000000000 = 75848729487184872948718487294871848729487184872948718487294871848729487184872948718487294871848729487184872948718487294891234567809123456780912345678091234567809123456780912345678091234567809123456780 23846098743650298740983098320576769760987394620943752836709832523980475208934750982365208743523 - 23846098743650298740983098320576769760987394620943752836709832523980475208934750982365208743523 = 0