Na ba muie sarac nu sti info te drecu de sluga

#include <fstream>
#include <cmath>

using namespace std;

ifstream fin("vterminal.in");
ofstream fout("vterminal.out");

int Prim(int n);


int main()
{
	int n, x;
    fin >> n;

    int i, s = 0;
    bool prime = false;

    for(i = 1; i <= n; i++)
    {
        fin >> x;
        if(Prim(x) == 1)
        {
            prime = true;
            x = x % 9;
            if(x == 0) s += 9;
            else s += x;
        }
    }

    s = s % 9;
    if(!prime) fout<<0;
    else if(s == 0) fout << 9;
    else fout << s;

    return 0;
}

int Prim(int n)
{
    if(n == 0 or n == 1) return 0;
    else
    {
        int d;
        for(d = 2; d <= n/2; d++)
            if(n % d == 0) return 0;
        return 1;
    }
}
//Darius o facut problema ca eu sunt ultimul sclav