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 Java7 (OpenJDK 1.7.0) (judge verdict: Runtime Error)

import java.util.*;

class Main{
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);

        String S=scan.next();
        char[] s=S.toCharArray();
        int k;
        boolean judge = false;

            if(S.charAt(0)!='Y'){
                System.out.println("No");
		
            }
            else if(S.charAt(1)!='A'){
                System.out.println("No");
		
            }
            else if(S.charAt(2)!='K'){
                System.out.println("No");

		
            }
            else if(S.charAt(3)!='I'){
                System.out.println("No");
		
	    }else{
        	
            System.out.println("Yes");
            }


    }
}