Description: You are given a string which consists of letters and other characters. Convert it to uppercase, i.e., replace all lowercase letters with corresponding uppercase ones. Keep the rest of characters unchanged. Input Format: The only line of input contains a string between 1 and 100 characters long. Each character of the string has ASCII-code between 33 (exclamation mark) and 126 (tilde), inclusive. Output Format: Output the given string, converted to uppercase. Note: None