#include <iostream>

using namespace std;

int main()
{
    for (int i = 1000; i <= 9999; i++)
    {
        int a = i % 10;
        int b = (i / 10) % 10;
        int c = (i / 100) % 10;
        int d = i / 1000;
        if (a != b && a != c && a != d && b != c && b != d && c != d)
        {
            cout << i << endl;
        }
    }

    return 0;
}