#include <iostream>

long long sumPrices(const int prices[], int n) {
    if (n == 0) {
        return 0;
    }
    return prices[n - 1] + sumPrices(prices, n - 1);
}

int main() {
    const int prices[] = {120, 80, 200};
    const int n = sizeof(prices) / sizeof(prices[0]);
    std::cout << sumPrices(prices, n) << '\n';
}