process.stdin.resume();
process.stdin.setEncoding('ascii');

var input_stdin = "";
var input_stdin_array = "";
var input_currentline = 0;

process.stdin.on('data', function (data) {
    input_stdin += data;
});

process.stdin.on('end', function () {
    input_stdin_array = input_stdin.split("\n");
    main();    
});

function readLine() {
    return input_stdin_array[input_currentline++];
}

/////////////// ignore above this line ////////////////////

function longestSequence(a) {
    //  Return the length of the longest possible sequence of moves.
    let counter = 0
    a.forEach(int => {
        let moves = chocolate(int, 0)
        counter += moves
    })
    return counter
}

function chocolate(length, moves) {
    if(length % 2 !== 0) return moves + length
    length /= 2
    moves++
    return chocolate(length, moves)
}

function main() {
    var n = parseInt(readLine());
    a = readLine().split(' ');
    a = a.map(Number);
    var result = longestSequence(a);
    process.stdout.write("" + result + "\n");

}