#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
int main() {
    // Input
    vector<string> S(3);
    rep(i, 3) cin >> S[i];

    // Output
    vector<string> T = {"#.#", ".#.", "#.#"}, U = {".#.", "#.#", ".#."};
    cout << (S == T || S == U ? "Yes" : "No") << endl;
}