The 5 counter X26627


Statement
 

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Input

The input will be a positive integer number.

Output

A number indicating the count of 5’s in all numbers from zero to the given number.

Public test cases

  • Input

    283746

    Output

    143145

  • Input

    100

    Output

    20

  • Input

    5

    Output

    1
    • Information
    Author
    HP CodeWars
    Language
    English
    Official solutions
    Python
    User solutions
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