#include <string>
#include <iostream>
using namespace std;

class OneDimensionalRobotEasy
{
    public:
        int finalPosition(string commands, int A, int B);
};

int OneDimensionalRobotEasy::finalPosition(string commands, int A, int B)
{

    /* The only thing that we need to do is keep track of the current position */

    int i;
    int position;

    position = 0;

    /* Look at each command, and if the command won't put the robot past
       its constraints, move it in the proper direction. */

    for (i = 0; i < commands.size(); i++) {
        if (commands[i] == 'L') {
            if (position > -A) position--;
        } else {
            if (position < B) position++;
        }
    }

    /* Return the final position */

    return position;
}