function FindKthToTail(head, k)
{
    if(head == null || k <= 0) return false;;
    var p1 = head;
    var p2 = head;
    //注意从1开始
    for (var i = 1; i < k; i++) {
        if (p1.next != null) {
            p1 = p1.next;
        }
        else {
            return false;
        }
    }
    while (p1.next != null) {
        p1 = p1.next;
        p2 = p2.next;
    }
    return p2;
    // write code here
}
module.exports = {
    FindKthToTail : FindKthToTail
};