function solve(arr) {
    let i,
        j,
        number,
        count = 1,
        bestCount = 0;

    arr.splice(0, 1);

    for (i = 0; i < arr.length; i += 1) {
        for (j = i; j < arr.length; j += 1) {
            if (arr[i] === arr[j]) {
                count += 1;
                if (count > bestCount) {
                    bestCount = count;
                    number = +arr[i];
                }
            } else {
                count = 1;
            }
        }
    }
    console.log(number + ' (' + bestCount + ' times)');
}
solve(['13', '4', '1', '1', '4', '2', '3', '4', '4', '1', '2', '4', '9', '3']);