foo.cc:6:10: error: stray '\357' in program
    6 |     int a，b;
      |          ^
foo.cc:6:11: error: stray '\274' in program
    6 |     int a，b;
      |           ^
foo.cc:6:12: error: stray '\214' in program
    6 |     int a，b;
      |            ^
foo.cc: In function 'int main()':
foo.cc:6:13: error: expected initializer before 'b'
    6 |     int a，b;
      |             ^
foo.cc:7:10: error: 'a' was not declared in this scope
    7 |     cin>>a>>b;
      |          ^
foo.cc:7:13: error: 'b' was not declared in this scope
    7 |     cin>>a>>b;
      |             ^

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