/*
TASK:chai
LANG:C++
*/
//exod40:)
#include <cstdio>
#include <iostream>
#include <string>
#include <algorithm>
using namespace std;

int main()
{
    int n,m;
    int i;
    int left,right;
    char ch;
    
    scanf ("%d%d",&n,&m);
    
    left=right=0;
    
    for (i=1;i<n+m;i++)
    {
        cin>>ch;
        
        if (ch=='L')
        {
            left++;
        }
        else
            if (ch=='R')
            {
                right++;
            }
            else
            {
                if (left<=right)
                {
                    right-=left;
                    
                    printf ("%d R\n",left);
                }
                else
                {
                    left-=right;
                    
                    printf ("%d L\n",right);
                }
            }
    }
    
    if (left<=right)
    {
        right-=left;
                  
        printf ("%d R\n",left);
    }
    else
    {
        left-=right;
                   
        printf ("%d L\n",right);
    }
    
    printf ("%d\n%d\n",left,right);
}
