Background

Original link: https://oier.team/problems/J3A。

Problem Description

Input a natural number $a$, and determine whether all digits of $37\times a$ are equal.

Input Format

The input contains one line with one natural number $a$.

Output Format

If all digits of $37a$ are equal, output Yes; otherwise output No.

6

Yes

33

No

Hint

Sample Explanation #1

$37\times 6 = 222$, and its three digits are all $2$, which meets the requirement.

Sample Explanation #2

$37\times 33 = 1221$, and some digits are not equal (for example, the thousands digit and the hundreds digit), so it does not meet the requirement.

Constraints

This problem has $20$ test points, $5$ points each.

It is guaranteed that $0\le a \le 3737$.

Translated by ChatGPT 5