/*
TASK:chai
LANG:C++
*/
#include<iostream>
using namespace std;
int main()
{
 int n,c,i,l=0,r=0,okn[32],br=0;
 char ch,ok[32];
 cin>>n>>c;
 for(i=0;i<n+c;i++)
 {
  cin>>ch;
  if(ch=='L')l++;
  else
   if(ch=='R')r++;
   else
    if(r<l)
    {
     okn[br]=r;
     ok[br++]='L';
     l-=r;
    }
    else
    {
     okn[br]=l;
     ok[br++]='R';
     r-=l;
   }
 }
 for(i=0;i<c;i++)cout<<okn[i]<<" "<<ok[i]<<"\n";
 cout<<l<<"\n"<<r<<"\n";
 return 0;
}
