/*
TASK:chai
LANG:C++
*/
#include<iostream>
using namespace std;
int main()
{
int n,c,l=0,r=0,i;
char a;
cin>>n>>c;
for(i=1;i<=n+c;i++){
                    cin>>a;
                    if(a=='L')l++;
                    else if(a=='R')r++;
                    else {if(l<=r){r-=l; cout<<l<<" R\n";}
                          else {l-=r;cout<<r<<" L\n";}
                          } 
                          }           
                          cout<<l<<"\n"<<r<<"\n";
 return 0;
}
