class Solution {
    public String countAndSay(int n) {
        StringBuilder sb = new StringBuilder("1");
        StringBuilder temp = new StringBuilder();
        int sikl=2, count;
        while(sikl++<=n){
            count=1;
            for(int i=1; i<sb.length(); i++){
                if(sb.charAt(i-1)==sb.charAt(i)) count++;
                else{
                    temp.append(count).append(sb.charAt(i-1));
                    count = 1;
                }
            }
            temp.append(count).append(sb.charAt(sb.length()-1));
            sb=temp;
            temp = new StringBuilder();
        }
        return sb.toString();
    }
}