Leetcode 657: Robot return to Origin

#include<iostream>
#include<algorithm>


class solution{

public:

   bool judgeCircle( std::string moves )
   {
       if( std::count( moves.begin(), moves.end(), 'L') != std::count( moves.begin(), moves.end(), 'R'))
       {
           return false;

       }else if( std::count( moves.begin(), moves.end(), 'D') != std::count( moves.begin(), moves.end(), 'U')) {

           return false;

       }

       return true;
   }


};

int main()
{
    solution sol;

    bool result;

    std::string input;

    std::cin>>input;

    std::transform( input.begin(), input.end(), input.begin(), [](unsigned char c) { return std::toupper(c); } );

    result = sol.judgeCircle(input);

    if(result == 0)
    {
        std::cout<<"false"<<std::endl;

    }else {

        std::cout<<"true"<<std::endl;

    }

}