You need to revive the good old Spongebobmeme!. YoU kNoW wAhT i MeAn! The first letter should be capitalized, the second lower, the third again capitalized,... and so on.

README.md

Goal

You need to revive the good old Spongebobmeme!.

YoU kNoW wAhT i MeAn!

The first letter should be capitalized, the second lower, the third again capitalized,... and so on.

Input

The string: input which need to be converted.

Output

A string with the correct converted input.

Constraints

input is at least 2 characters long.

solution1.php

<?php
$input = stream_get_line(STDIN, 256 + 1, "\n");

// Write an answer using echo(). DON'T FORGET THE TRAILING \n
// To debug: error_log(var_export($var, true)); (equivalent to var_dump)
$mayuscula = true;
for($i =0; $i < strlen($input); $i++)
{
    if (ctype_alpha($input[$i]))
    {
        if($mayuscula)
        {
            echo strtoupper($input[$i]);
            $mayuscula = false;
        }
        else
        {
            echo strtolower($input[$i]);
            $mayuscula = true;
        }
    }
    else
    {
        echo $input[$i];
    }
}
?>

solution2.cpp

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>

using namespace std;

/**
* Auto-generated code below aims at helping you parse
* the standard input according to the problem statement.
**/

int main()
{
    string s;
    getline(cin, s);

    int j = 0;
    for (int i = 0; i< s.length(); i++) {
        if (!isalpha(s[i])) {
            cout << s[i];
            continue ;
        }
        if (!(j++&1))
            s[i] = toupper(s[i]);
        else
            s[i] = tolower(s[i]);
        cout << s[i];
    }
}