foo.cc: In function 'int main()':
foo.cc:11:2: error: expected ';' before '}' token
  }
  ^
foo.cc:18:3: error: 'Y' was not declared in this scope
   Y=3*X+4;
   ^
foo.cc:18:7: error: 'X' was not declared in this scope
   Y=3*X+4;
       ^

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