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

int main()
{
 
 long n,c;
 cin>>n>>c;
 long r=0,l=0,rmin=0,lmin=0;
 char b;
 
 int i,j,k;
 
 for(i=1;i<=n+c;i++)
 {
   cin>>b;
   if(b=='R') {r++;}
   if(b=='L') {l++;}
   
   if(b=='P')
   {
    
    if(l<r) {r=r-l; rmin+=l;}
    if(l>r) {l=l-r; lmin+=r;}
    if(l==r){r=0;   rmin+=l;}
   }      
   
 }   
cout<<lmin<<" L\n"<<rmin<<" R\n"<<l<<"\n"<<r<<"\n";
return 0;
}
