bai2.java

import java.util.Scanner;
import java.lang.Math; 
public class bai2 {
	public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        System.out.println("m: ");
        int m = in.nextInt();
        System.out.println("n: ");
        int n = in.nextInt();
        System.out.println(compute(m, n));
    }
    private static double compute(int m, int n) {
        double result = 0;
        for(int i = 0; i < n; i++) {
            result = Math.sqrt(m + result);
        }
        return result;
    }
}