Rotate.java

import java.util.Scanner;

public class Rotate {
    public static void main(String [] args){
        Scanner scn = new Scanner(System.in);
        int n = scn.nextInt();
        int k = scn.nextInt();

        int temp = n;
        int nod = 0;
        while(temp > 0){
            temp = temp / 10;
            nod++;
        }

        k = k % nod;
        if(k < 0){
            k = k + nod;
        }

        int div = 1;
        int mult = 1;
        for(int i = 1; i<= nod; i++){
            if(i <= k){
                div = div * 10;
            } else {
                mult = mult * 10;
            }
        }

        int q = n / div;
        int r = n % div;

        int rot = r * mult + q;
        System.out.println(rot);
    }
}