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