Untitled

#include <iostream>
using namespace std;
int main()
{

	int a, b, count = 1, count_num = 0;
	cin >> a >> b;
	for (; a < b + 1; a++)
	{
		for (int i = 1; i < a; i++)
		{
			count_num = a % i;
			if (count_num == 0) count += 1;
		}
		if (count == 2) cout << a << " ";
		count = 1;
	}
}