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 Java8 (OpenJDK 1.8.0) (judge verdict: Runtime Error)

import java.util.*;

public class Main {
    public static boolean find_k(int a, int b,int x){
        for(int i=1;i<=a;i++){
            for(int j=1; j<=b;j++){
                int y=i*j+(a-i)*(b-j);
                if(y==x){
                    return true;
                }
                if(y>x){
                    break;
                }

            }
        }
        return false;
    }

    public static void main(String[] args) {
        Scanner r=new Scanner(System.in);
        int m=r.nextInt();
        int n=r.nextInt();
        int k=r.nextInt();
        if (find_k(m,n,k))
            System.out.println("Yes");
        else
            System.out.println("No");


    }
}