Capitalization is writing a word with its first letter as a capital letter. Your task is to capitalize the given word.

Note, that during capitalization all the letters except the first one remains unchanged.
A single line contains a non-empty word. This word consists of lowercase and uppercase English letters. The length of the word will not exceed 10<sup class="upper-index">3</sup>.
def main():
    user_input = input("Enter string: ")
    if len(user_input) > 0:
        first_char = user_input[0].upper()
        modified_string = first_char + user_input[1:]
        print(modified_string)
    else:
        print("String is empty")

if __name__ == "__main__":
    main()
				  	 		 	  	    			  	   		