View Compilation Error

0_0_32573345_28172.cpp: In function 'int main()':
0_0_32573345_28172.cpp:28:2: error: expected ';' before 'int'
  int c, d;
  ^
0_0_32573345_28172.cpp:29:2: error: 'c' was not declared in this scope
  c = a + b;
  ^
0_0_32573345_28172.cpp:30:2: error: 'd' was not declared in this scope
  d = a - b;
  ^