#include <iostream>
#define MAX 100
using namespace std;
int nt(int kiem)
{
	int dem = 0;
	for (int j = 1; j <= sqrt(kiem); j++)
	{
		if (kiem % j == 0)
		{

			dem++;
		}
	}
	if (dem == 1) return kiem;
}
int main()
{
	int n, i, a[MAX], tong = 0;
	cout << "Nhap so phan tu n: ";
	cin >> n;
	for (int i = 1; i <= n; i++)
	{
		cout << "Nhap phan tu thu " << i << ": ";
		cin >> a[i];
		if (nt(a[i]) == 1)
		{
			tong = tong + nt(a[i]);
		}
	}
	cout << "Tong cac so nguyen to co trong mang la " << tong;
}