#include <bits/stdc++.h>
using namespace std;

string s;
int t;

int main()
{
	for (int i = 0; i < 3; i++) {
		cin >> s;

		for (int j = 0; j < 3; j++) {
			if (s[j] == '#')
				t += (1 << (i * 3 + j));
		}
	}

	if (t == 341 || t == 170)
		cout << "Yes" << endl;
	else
		cout << "No" << endl;
}