foo.cc:1:1: error: 'include' does not name a type; did you mean '__has_include'?
 include<iostream>
 ^~~~~~~
 __has_include
foo.cc: In function 'int main()':
foo.cc:7:17: error: 'A' was not declared in this scope
  scanf("%d,%d",&A,&B);
                 ^
foo.cc:7:20: error: 'B' was not declared in this scope
  scanf("%d,%d",&A,&B);
                    ^
foo.cc:14:2: error: 'return0' was not declared in this scope
  return0;
  ^~~~~~~

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