#include <iostream>
#include <fstream>
using namespace std;
ifstream f("rj.in"); ofstream g("rj.out");
struct {
short x,y;
}v[10003];
string s;
short n,m,r[103][103],l[103][103],k,b=1;
void afisare()
{
    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=m;++j)
        {
            cout<<r[i][j]<<' ';
        }
        cout<<"        ";
        for(int j=1;j<=m;++j)
        {
            cout<<l[i][j]<<' ';
        }
        cout<<endl;
    }
}
int main()
{
    f>>n>>m; getline(f,s);
    for(short i=1;i<=n;++i)
    {
        getline(f,s);
        for(short j=0;j<m;++j)
        {
            if(s[j]=='R' || s[j]=='J')
            {
                ++k;
                v[k].x=i;
                v[k].y=j+1;
            }
            else if(s[j]=='X')
            {
                r[i][j+1]=-1;
                l[i][j+1]=-1;
            }
        }
    }
    return 0;
}