#include <iostream>
#include <string>
using namespace std;
int main()
{

	int y[8] = { 0,0,0,0,0,0,0,0 };
	string x;
	cin >> x;
	for (int i = 0; i < x.size(); i++)
	{
		if ((x[i] == 'A' || x[i] == 'a') && y[0] == 0)
			y[0] = 1;
		else if ((x[i] == 'T' || x[i] == 't') && y[1] == 0)
			y[1] = 1;
		else if ((x[i] == 'Y' || x[i] == 'y') && y[2] == 0)
			y[2] = 1;
		else if ((x[i] == 'P' || x[i] == 'p') && y[3] == 0)
			y[3] = 1;
		else if ((x[i] == 'I' || x[i] == 'i') && y[4] == 0)
			y[4] = 1;
		else if ((x[i] == 'C' || x[i] == 'c') && y[5] == 0)
			y[5] = 1;
		else if ((x[i] == 'A' || x[i] == 'a') && y[6] == 0)
			y[6] = 1;
		else if ((x[i] == 'L' || x[i] == 'l') && y[7] == 0)
			y[7] = 1;
	}
	bool key = true;
	for (int i = 0; i < 8; i++)
	{
		if (y[i] == 0)
		{
			cout << "No";
			key = false;
			break;
		}
	}
	if (key)
	{
		cout << "Yes";
	}

}