View Compilation Error

0_0_32960387_6384.cpp:5:1: error: stray '\243' in program
 sum=0；
 ^
0_0_32960387_6384.cpp:5:1: error: stray '\273' in program
0_0_32960387_6384.cpp: In function 'int main()':
0_0_32960387_6384.cpp:6:5: error: expected ';' before 'while'
     while(scanf("%d",&m)!=EOF&&m!=-1)
     ^
0_0_32960387_6384.cpp:19:1: error: expected '}' at end of input
 }
 ^