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>.
while True:
    try:
        st = input("enter a string:")
        if st[0].islower():
            st = st[0].upper() + st[1:]
        print(st)
    except EOFError:
        break
 		   		  	  	  		 		  		 					