Sharmeen is a little girl who loves her father very much. She becomes happy when her father is at home, but she becomes sad if her father is not at home. Sharmeen is a little girl and she learned only about - (Hyphen) and _ (Underscore). If her father is not at home for 3 days she wrote at her notebook -_- which indicates that, she is sad at her father’s absence. If her father is absent for 4 days she wrote -_-- which is her sadness for these 4 days. Her sadness for 5 days is -_--_ and her sadness for 6 days is  -_--_- and her sadness for 1 day is - and her sadness for 2 days is -_

You will be given how many days her father is not present at home. Can you write the sadness of Sharmeen?

Input

You will be given an integer n (1 <= n <= 10^5)

Output

You have to print the sadness of Sharmeen for n days.

Example

Input:
10

Output:
-_--_--_--