Lucky Number#2014

Lucky Number

1 second
128 megabytes
Very easy

A fractional number written as a finite decimal is called "happy" if the sum of its digits before the decimal point is equal to the sum of its digits after the decimal point. You are given a rational number written as a finite decimal. Determine whether this number is happy.

Input

One decimal number , whose absolute value does not exceed 10^6. The fractional part of the number contains at least one and no more than six digits.

Output

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

Examples

Example 1

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