/*
TASK:chai
LANG:C++
*/
#include<iostream>
using namespace std;
int main()
{
    int c1,n,rb=0,rl=0,i;
    cin>>n>>c1;
    char c;
    for(i=0;i<n+c1;i++)
    {
        cin>>c;
        if(c=='R')rb++;
        if(c=='L')rl++;
        if(c=='P'){
            if(rl>rb){rl-=rb;cout<<rb<<' '<<'L'<<'\n';}
            else if(rl<rb){rb-=rl;cout<<rl<<' '<<'R'<<'\n';}
            else {cout<<rb<<' '<<'R'<<'\n';rb=0;}
        }
    }
    cout<<rl<<'\n'<<rb<<'\n';
    return 0;
}
