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: Wrong Answer)

import java.lang.*;
import java.util.*;
import java.io.*;

class Main{
    public String startsWithYaki(String s){
	String retStr = "No";
	if(s.substring(0,4).equals("YAKI")){
	    retStr = "Yes";
	}
	return retStr;
    }
    
    public static void main(String[] args){
       try{
          BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
          BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
	  String s = br.readLine();
	  Main yn = new Main();
	  String outStr = yn.startsWithYaki(s);
	  bw.write(outStr);
	  bw.newLine();
	  bw.flush();
       }catch(Exception e){
          e.printStackTrace();
       }
}

}