#include <iostream>		//cin, cout
#include <vector>		//vector
#include <algorithm>	//sort,min,max,count
#include <string>		//string,getline, to_string
#include <cstdlib>		//abs(int)
#include <utility>		//swap, pair
#include <deque>		//deque
#include <climits>		//INT_MAX
#include <bitset>		//bitset

using namespace std;

int main() {

	string a,b,c;
	cin >> a >> b >> c;

	bool flg = true;

	if (a[0] == a[1] || a[1] == a[2]) {
		flg = false;
	}

	if (b[0] == b[1] || b[1] == b[2]) {
		flg = false;
	}

	if (c[0] == c[1] || c[1] == c[2]) {
		flg = false;
	}

	if (a[0] == b[0] || b[0] == c[0]) {
		flg = false;
	}

	if (a[1] == b[1] || b[1] == c[1]) {
		flg = false;
	}

	if (a[2] == b[2] || b[2] == c[2]) {
		flg = false;
	}

	if (flg) {
		cout << "Yes" << endl;
	}
	else {
		cout << "No" << endl;
	}

	return 0;

}