Uppercase Last 3 Characters

Background

Congcong is learning about string manipulation. He encountered an interesting task that requires specific modifications to a string.

Problem Description

Given a string, return a new string where the last $3$ characters are now in upper case. If the string has less than $3$ characters, uppercase whatever is there. Note that str.toUpperCase() returns the uppercase version of a string.

Input Format

Input is given from Standard Input in the following format.

A string.

Output Format

Output is printed to Standard Output in the following format.

The modified string.

Sample

Hello

"HeLLO"

hi there

"hi thERE"

hi

"HI"

Sample Explanation

For the first sample input "Hello\