Age#2036

Age

1 second
64 megabytes
Easy

Given a natural number (1 \leq N \leq 100) representing a person's age, output this number with the appropriate Ukrainian word: "rik", "roki", or "rokiv". For example, rik, rokiv, roki.

Input

A single number — the person's age.

Output

Print the age with the correct word.

Attention!!! For correct display and solution checking, the system requires the output to be in transliteration: instead of "рік" output "rik", instead of "роки" output "roki", and instead of "років" output "rokiv".

Examples

Example 1

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