// Program 69: Represent a Number as Consecutive Positive Integers

import java.util.*;
class ConsecutiveSum {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        if (n < 1) {
            System.out.println("INVALID INPUT");
            return;
        }
    boolean found = false;
    for (int start = 1; start < n; start++) {
        int sum = 0;
        for (int end = start; sum < n; end++) {
            sum += end;
            if (sum == n && end > start) {
                for (int k = start; k <= end; k++) {
                    System.out.print(k + (k < end ? "+" : ""));
                }
            System.out.println();
            found = true;
            break;
        }
}
}
if (!found) {
    System.out.println("NO CONSECUTIVE SUM FOUND");
}
}
}