import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
    public static int sumNumbersRecursive(int n) {
        if (n == 0) {
            return 0;
        } else {
            return n + sumNumbersRecursive(n - 1);
        }
    }
 
    public static void main(String[] args) {
        int n = 5; // Replace 5 with the desired value of N
        int result = sumNumbersRecursive(n);
        System.out.println("The sum of numbers from 0 to " + n + " is: " + result);
    }
 
 
}

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