Problem:
Score : 100 points

Problem Statement

Ringo is giving a present to Snuke.

Ringo has found out that Snuke loves yakiniku (a Japanese term meaning grilled meat. yaki: grilled, niku: meat). He supposes that Snuke likes grilled things starting with YAKI in Japanese, and does not like other things.

You are given a string S representing the Japanese name of Ringo's present to Snuke. Determine whether S starts with YAKI.

Constraints

1 \leq |S| \leq 10

S consists of uppercase English letters.

Input

Input is given from Standard Input in the following format:

S

Output

If S starts with YAKI, print Yes; otherwise, print No.

Sample Input 1

YAKINIKU

Sample Output 1

Yes

YAKINIKU starts with YAKI.

Sample Input 2

TAKOYAKI

Sample Output 2

No

TAKOYAKI (a Japanese snack. tako: octopus) does not start with YAKI.

Sample Input 3

YAK

Sample Output 3

No

Solution in C++ (GCC 9.2.1) (judge verdict: Accepted)

#include <iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<cmath>
#include<set>

using namespace std;

int main()
{

	string S;
	cin >> S;

	if (S[0] == 'Y' && S[1] == 'A' && S[2] == 'K' && S[3] == 'I') {
		cout << "Yes" << endl;
	}
	else {
		cout << "No" << endl;
	}
	

	
}