Pica d'Estats P90620


Statement
 

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Write a program that, given a sequence of integer numbers strictly positive ended with 0, prints if contains any peak greater than 3143 (the height of Pica d’Estats). A peak is an integer of the sequence that has a predecessor and a successor and it is strictly greater than them.

Input

Input is a sequence of integer numbers strictly positive ended with 0. At least, always there are three integer numbers (not counting the 0).

Output

The output must be “YES” if there is any peak greater than 3143, and “NO” otherwise.

Public test cases

  • Input

    21 41 51 32 26 37 37 27 12 31 42 30 0

    Output

    NO

  • Input

    1234 912 1021 921 1012 3150 4653 5678 0

    Output

    NO

  • Input

    1234 912 1021 9012 1012 3150 256 68 29 29 0

    Output

    YES
    • Information
    Author
    Jordi Petit
    Language
    English
    Translator
    Carlos Molina
    Original language
    Catalan
    Other languages
    Catalan
    Official solutions
    C++ Pascal Python
    User solutions
    C C++ Python