A-nacci

function Solve(args) {
        var arr = [];
        arr[0] = args[0];
        arr[1] = args[1];
        var count = parseInt(args[2]);
        if (count == 1) {
            return arr[0];
        }
        if (count == 2) {
            return arr[0] + "\n" + arr[1] + plusChars(arr[0], arr[1]);
        }
        if (count >= 3) {
            var result = arr[0] + "\n" + arr[1] + plusChars(arr[0], arr[1]) + "\n";
            for (var i = 3; i <= count; i++) {
                result += plusChars(arr[0], arr[1]) + getSpace(i) + plusChars(arr[0], arr[1]) + "\n";
            }
            result = result.substring(0, result.length - 1);
            return result;

        }
        function getSpace(i) {
            var space = "";
            for (var j = i - 2; j > 0; j--) {
                space += " ";
            }
            return space;
        }
        function plusChars(c1, c2) {
            var char1 = c1.charCodeAt(0) - "A".charCodeAt(0) + 1;
            var char2 = c2.charCodeAt(0) - "A".charCodeAt(0) + 1;
            var result = 0;
            if (char1 + char2 > 26) {
                result = char1 + char2 - 26;
            } else {
                result = char1 + char2;
            }
            //change array
            arr.shift();
            arr.push(String.fromCharCode(result + "A".charCodeAt(0) - 1));
            return String.fromCharCode(result + "A".charCodeAt(0) - 1);
        }