#include <fstream>
using namespace std;

ifstream fin("rj.in");
ofstream fout("rj.out");

const int id[] = { -1, 0, 1, 1, 1, 0, -1, -1},
		jd[] = { 1, 1, 1, 0, -1, -1, -1 };

char a[100][100];
int n, m;
int Lr[10001];
int Cr[10001];
int Lj[10001];
int Cj[10001];

int b[100][100];
int ipr, jpr, ipj, jpj;

void Read();
int Vecin(int i, int j, int v )
void LEE();


int main()
{
	Read();
	LEE();	
	
	fin.close();
	fout.close();
}

int Vecin(int i, int j, int v)
{
    for ( int k = 0; k < 4; k++ )
        if ( a[i+di[k]][j+dj[k]] == v )
            return 1;
    return 0;
}

void Read()
{
	fin >> n >> m;
	
	
	
	for ( int i = 0; i < n; i++ )
		for ( int j = 0; j < m; j++ )
		{
			char c;
			fin >> c;
			a[i][j] = c;
			
			if ( a[i][j] == 'R' )
			{
				Lr[0] = i;
				Cr[0] = j;
			}
			if ( a[i][j] == 'J' )
			{
				Lj[0] = i;
				Cj[0] = j;
			}
		}
	
}


void LEE()
{
	int st, dr;
}