function solve(arr) {
    function fibonacchi(element) {
        var fibArr = [];
        var first = 1;
        var second = first + 1;
        fibArr.push(first);
        for (var i = 0; i <= 29; i++) {
            fibArr.push(first);
            var temp = first + second;
            first = second;
            second = temp;
        }
        var resultFromFib;
        var index = fibArr.indexOf(element);
        if (index > -1) {
            resultFromFib = 'yes';
        } else {
            resultFromFib = 'no';
        }
        return resultFromFib;
    };

    function builtATable(array) {
        var startTable = array[0];
        var endTable = array[1];
        var resultTable = "<table>";
        resultTable += '\n<tr><th>Num</th><th>Square</th><th>Fib</th></tr>';
        for (var i = startTable; i <= endTable; i++) {
            resultTable += '\n<tr>';
            for (var j = 0; j < 3; j++) {
                switch (j) {
                case 0:
                    resultTable += '<td>' + i + '</td>';
                    break;
                case 1:
                    resultTable += '<td>' + (i * i) + '</td>';
                    break;
                case 2:
                    resultTable += '<td>' + fibonacchi(i) + '</td>';
                    break;
                default:
                }
            }
            resultTable += '</tr>';
        }
        resultTable += '\n</table>';
        return resultTable;
    }
    var start = arr[0];
    var end = arr[1];
    var result = builtATable([start, end]);
    return result;
}