View Compilation Error

0_0_35508988_24777.cpp:4:2: error: stray '\243' in program
  int a,b；
  ^
0_0_35508988_24777.cpp:4:2: error: stray '\273' in program
0_0_35508988_24777.cpp:5:2: error: stray '\243' in program
  while(scanf("%d %d",&a,&b)！= EOF
  ^
0_0_35508988_24777.cpp:5:2: error: stray '\241' in program
0_0_35508988_24777.cpp: In function 'int main()':
0_0_35508988_24777.cpp:5:2: error: expected initializer before 'while'