Different digits#8896

Different digits

1 second
64 megabytes
Very easy

The program should read a three-digit integer from the console. It should output YES if all the digits of are distinct, and NO if any digits are repeated.

Input

A three-digit integer .

Output

The answer to the problem: YES if all digits of number are distinct, and NO otherwise.

Examples

Example 1

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Example 2

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