Fractional number, in the form of a finite decimal is called "happy", if the sum of digits of this number before the decimal point equals to the sum of digits after the decimal point. Given a rational number written as a finite decimal. Determine is it happy.

Input

One decimal number x, not exceeding 106 by absolute value. The fractional part of the number contains at least one and no more than six digits.

Output

Print Yes, if number x is happy, and No otherwise.