#include <bits/stdc++.h>

int read_int() {
	int c = getchar(), s = 0, res = 0;
	if (c == '-') s = 1, c = getchar();
	assert('0' <= c && c <= '9');
	if (s) assert(c != '0');
	res = c - '0';
	while (1) {
		c = getchar();
		if (c < '0' || c > '9') break;
		assert(res <= 200000000); // avoid overflow
		res = res * 10 + c - '0';
		assert(res); // no leading-zero
	}
	ungetc(c, stdin);
	return res;
}
void read_linebreak() {
	int c = getchar();
	if (c == '\r') c = getchar();
	assert(c == '\n');
}

int main() {
	int n = read_int();
	assert(getchar() == ' ');
	int m = read_int();
	read_linebreak();
	for (int i = 0; i < m; i++) {
		for (int j = 0; j < n; j++) {
			for (int k = 0; k < n; k++) {
				int c = getchar();
				assert(c == '#' || c == '.');
			}
			read_linebreak();
		}
		if (i + 1 < m) read_linebreak();
	}
	assert(getchar() == EOF);
	return 0;
}