atcoder#CODEFESTIVAL2017QUALAA. Snuke's favorite YAKINIKU

Snuke's favorite YAKINIKU

Score : 100100 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 SS representing the Japanese name of Ringo's present to Snuke. Determine whether SS starts with YAKI.

Constraints

  • 1S101 \leq |S| \leq 10
  • SS consists of uppercase English letters.

Input

Input is given from Standard Input in the following format:

SS

Output

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

YAKINIKU
Yes

YAKINIKU starts with YAKI.

TAKOYAKI
No

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

YAK
No