oddeven – Odd or even? – Computer Science by Example

oddeven – Odd or even?

Even and odd numbers of rocks.

Write a program that prints whether a given natural number is odd or even. A number is even when it is disivible by two. A number is odd when it is not divisible by two.

Input and output

The input contains several lines each with a natural number n where -2 000 000 000 ≤ n ≤ 2 000 000 000. Input is terminated by the end-of-file (EOF).

For each line of input, the output should contain either odd or even.

Example input

Example output

even
odd
even
odd

Scoring

1/6: works for the above example but in an incorrect format
2/6: works for the above example in the correct format
3/6: works for small positives
4/6: works for small positives and negatives
5/6: works for large numbers
6/6: works for edge cases

try first: mult add oddeven1

try also: order

try next: good bmi

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oddeven – Odd or even?

Input and output

Example input

Example output

Scoring

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