#define _USE_MATH_DEFINES
#include<stdio.h>
#include<string>
#include<iostream>
#include<cctype>
#include<cstdio>
#include<vector>
#include<stack>
#include<queue>
#include <algorithm>
#include<math.h>
#include<set>
#include<map>
#include<iomanip>

//#include<bits/stdc++.h>


using namespace std;


int main() {
	
	int t[20] = {};
	int s = 0;
	for (int i = 0; i < 16; i++) {
		int x;
		cin >> x;
		x--;
		if (x >= 0) {
			int d = abs(i / 4 + x / 4) + abs(i % 4 + x % 4);
			if (d > 1) { cout << "No" << endl; return 0; }
			if(d>0)s++;
		}
		t[i] = x;
	}
	int w = -1;
	while (w != 15) {
		for (int i = 0; i < 16; i++) {
			if (t[i] == w) {
				w = i;
				s--;
				break;
			}
		}


	}
	if (s == -1)cout << "YES" << endl;
	else cout << "NO" << endl;
	return 0;

}