#include<iostream>
#include<fstream>
using namespace std;
ifstream f("21.in");
ofstream g("21.out");

struct coada{ int i, j;} c[1000];
int n, m, a[100][100],b[100][100]; //a=romeo, b=julieta
int main()
{
	char k[1000];
	int i, j, ri, rj, ji, jj;
	f>>n>>m;
	f.get();
	for(i=0;i<n;i++)
	{
		f.get(k,1000);
		f.get();
		for(j=0;j<m;j++)
		{
			if(k[j]=='X')
				a[i][j]=b[i][j]=-1;
			else
				if(k[j]==' ')
					a[i][j]=b[i][j]=2000;
			else
				if(k[j]=='R')
					a[i][j]=1, b[i][j]=2000, ri=i, rj=j;
			else
				if(k[j]=='J')
					b[i][j]=1, a[i][j]=2000, ji=i, jj=j;
		}
	}
	//lee pt a, lee pt b apoi verif;
	return 0;
}