#include <iostream>

using namespace std;

int primes[2001];

bool is_prime(int a) {
    for (int i = 2; i * i <= a; i++) {
        if (a % i != 0) {
            continue;
        } else {
            return false;
        }
    }
    return true;
}

void init_primes() {
    int current_num = 2, i = 0;
    for (;; current_num++) {
        if (is_prime(current_num)) {
            primes[i] = current_num;
            i++;
        }
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int a;
    cin >> a;
    if (a % 2 != 0 || a < 6) {
        cout << "Error!" << endl;
    } else
        for (int i = 0; primes[i] <= a / 2; i++) {
            if (is_prime(a - primes[i])) {
                cout << a << "=" << i << "+" << a - i << endl;
            }
        }

    return 0;
}