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>.
#include <iostream>
#include <string>
#include <cctype>

std::string capitalizeWord(const std::string& word) {
    std::string capitalizedWord = word;
    capitalizedWord[0] = std::toupper(capitalizedWord[0]);
    return capitalizedWord;
}

int main() {
    std::string word;
    std::cout << "";
    std::cin >> word;

    std::string capitalized = capitalizeWord(word);
    std::cout << "" << capitalized << std::endl;

    return 0;
}
		  	      			    		 	 					