View Compilation Error

0_0_36509051_10075.cpp:16:2: error: stray '\243' in program
  while (cin>>a ， a)
  ^
0_0_36509051_10075.cpp:16:2: error: stray '\254' in program
0_0_36509051_10075.cpp: In function 'int main()':
0_0_36509051_10075.cpp:16:19: error: expected ')' before 'a'
  while (cin>>a ， a)
                   ^
0_0_36509051_10075.cpp:16:20: error: expected ';' before ')' token
  while (cin>>a ， a)
                    ^