Language: C++

include<iostream>
#include<cstdlib>

using namespace std;

int main(){
  string s;
  cin >> s;

  if(s.length() == 0){
    cout << "Cat" << endl;
  }
  else{
    if(!(s[0] == 'm' && s[s.length()-1] == 'w' )){
      cout << "Rabbit" << endl;
    }
    else{
      bool yes = false;
      for(int i=0;i<s.length();i++){
	if(s[i] == 'e'){
	  if( (i-1 == 0) || (i+1 == s.length()-1) ){

	  }
	  else{
	    yes = true;
	  }
	}
      
      }
      if(yes) cout << "Cat" << endl;
      else cout << "Rabbit"<< endl;
    }
	
  }	

  return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:7:3: error: 'string' was not declared in this scope
    7 |   string s;
      |   ^~~~~~
a.cc:3:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
    2 | #include<cstdlib>
  +++ |+#include <string>
    3 | 
a.cc:8:3: error: 'cin' was not declared in this scope
    8 |   cin >> s;
      |   ^~~
a.cc:3:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    2 | #include<cstdlib>
  +++ |+#include <iostream>
    3 | 
a.cc:8:10: error: 's' was not declared in this scope
    8 |   cin >> s;
      |          ^
a.cc:11:5: error: 'cout' was not declared in this scope
   11 |     cout << "Cat" << endl;
      |     ^~~~
a.cc:11:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:11:22: error: 'endl' was not declared in this scope
   11 |     cout << "Cat" << endl;
      |                      ^~~~
a.cc:3:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    2 | #include<cstdlib>
  +++ |+#include <ostream>
    3 | 
a.cc:15:7: error: 'cout' was not declared in this scope
   15 |       cout << "Rabbit" << endl;
      |       ^~~~
a.cc:15:7: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:15:27: error: 'endl' was not declared in this scope
   15 |       cout << "Rabbit" << endl;
      |                           ^~~~
a.cc:15:27: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
a.cc:30:15: error: 'cout' was not declared in this scope
   30 |       if(yes) cout << "Cat" << endl;
      |               ^~~~
a.cc:30:15: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:30:32: error: 'endl' was not declared in this scope
   30 |       if(yes) cout << "Cat" << endl;
      |                                ^~~~
a.cc:30:32: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
a.cc:31:12: error: 'cout' was not declared in this scope
   31 |       else cout << "Rabbit"<< endl;
      |            ^~~~
a.cc:31:12: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:31:31: error: 'endl' was not declared in this scope
   31 |       else cout << "Rabbit"<< endl;
      |                               ^~~~
a.cc:31:31: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'