Untitled

#include <iostream>
using namespace std;

int main()
{
    int a, b, c;
    cin >> a >> b;
    c = a;

    while (c >= a && c <= b)
    {
        int n = 1;
        for (int i = 2; i <= b; i++)
        {
            if (c > 1 && c % i == 0 && c != i)
            {
                n = 0;
            }
        }
        if (n > 0 && c != 1) cout << c << " ";
        c++;
    }
}