/*
入力 validation。WA になれば OK。
*/

#include "testlib.h"
#include<iostream>
using namespace std;

const int MIN_H = 1;
const int MAX_H = 10;
const int MIN_W = 1;
const int MAX_W = 10;

int main(){
	registerValidation();
	int H = inf.readInt(MIN_H, MAX_H, "H");
	inf.readSpace();
	int W = inf.readInt(MIN_W, MAX_W, "W");
	inf.readEoln();
	for(int h=0;h<H;h++){
	    for(int w=0;w<W;w++){
	        char c = inf.readChar();
	        ensuref(c == '#' || c == '.', "must be # or .");
	    }
	    inf.readEoln();
	}
	inf.readEof();
	return 0;
}