#include <stdio.h>
int di[4] = {0,0,1,-1};
int dj[4] = {1,-1,0,0};

FILE*f = fopen("rj.in","r");
FILE*g = fopen("rj.out","w");

char v[102][102],x;
int rom[3][102*102];
int jul[3][102*102];
int ri,rj,ji,jj;
int i,j,n,m;

int main(){
	
	fscanf(f,"%d %d\n",&n,&m);
	for(i=1;i<=n;i++){
		for(j=1;j<=m;j++){
			fscanf(f,"%c",&x);
			if(x=='R'){
				ri=i, rj=j;
			}
			if(x=='J'){
				ji=i, jj=j;
			}
			if(x=='X'){
				v[i][j]=-1;
			}
		}
		fscanf(f,"\n");
	}
	
	fclose(f);
	fclose(g);
	return 0;
}