#include <bits/stdc++.h>
#include <regex>
using namespace std;
using ll = int64_t;
#define all(c) c.begin(),c.end()
#define rall(c) c.rbegin(),c.rend()

// -------------------------------
// 2022/5/20 Hiroyuki Yamanouchi
// AtCoder Rating 187 10級
// -------------------------------

// void chmax(ll& a, ll b){ if(a < b) a = b; }
// void chmin(ll& a, ll b){ if(a > b) a = b; }
// for (int i = 0; i < N; i++){    
//      cin >> P[i];
// }


int main() {
 
    string S,T,U;
    cin >> S >> T >> U;

    string tmp = S + T + U;
    string ans1 = "#.#.#.#.#";
    string ans2 = ".#.#.#.#.";

    if (tmp == ans1) cout << "Yes" << endl;
    else if  (tmp == ans2) cout << "Yes" << endl;
    else cout << "No" << endl;
    
    return 0;
}