---

#include <iostream>
#include <windows.h>

int main()
{
    SetConsoleOutputCP(CP_UTF8);
    int n = 10;
    int sum = 0;

    for (int i = 0; i <= n; i++)
    {
        sum = sum + i;
    }
    std::cout << sum;
    std::cin.get();
    std::cin.get();
    return 0;
}