View Compilation Error

0_0_26589125_7321.cpp:5:7: error: stray '\243' in program
       A=123；
       ^
0_0_26589125_7321.cpp:5:7: error: stray '\273' in program
0_0_26589125_7321.cpp:6:7: error: stray '\243' in program
       B=456；
       ^
0_0_26589125_7321.cpp:6:7: error: stray '\273' in program
0_0_26589125_7321.cpp:7:7: error: stray '\243' in program
       sum=A+B；
       ^
0_0_26589125_7321.cpp:7:7: error: stray '\273' in program
0_0_26589125_7321.cpp:8:7: error: stray '\243' in program
       printf（“sum is %d/n",sum);
       ^
0_0_26589125_7321.cpp:8:7: error: stray '\250' in program
0_0_26589125_7321.cpp:8:7: error: stray '\241' in program
0_0_26589125_7321.cpp:8:7: error: stray '\260' in program
0_0_26589125_7321.cpp:8:7: error: missing terminating " character
0_0_26589125_7321.cpp: In function 'int main()':
0_0_26589125_7321.cpp:6:7: error: expected ';' before 'B'
       B=456；
       ^