#include <iostream>

using namespace std;

int main()
{
    int a = 1;
    int b = 1;

    while (a%20 == 0)
        a++;
        cout << "a" << a << '\t';
    while (b==20)
    {
        if (a%b == 0)
        {
            ++b;
            cout << "b" << b << '\t';
        }
        else
        {
            cout << "niepodzilene nastepny" <<'\t';
        }
    }
}