#include <iostream>

using namespace std;

int main()
{
    bool premier = true;

    unsigned int downCounter = 0;
    unsigned int actualNb = 1;
    for(actualNb = 1; actualNb<=1000 ; actualNb++)
    {
        for(downCounter = 2 ; downCounter <actualNb-1; downCounter++)
        {
            if(actualNb % downCounter == 0)
            {
                premier = false;

            }




        }
        if(premier == true)
        {
            cout << actualNb << endl;
        }
         premier = false;}

}