Task: Program Execution
Input (English): r, t, u, f, q, 1733, y, q, 4987, 9365, 1333, r, q, z, 8245, 7857, 5395, 2915, z, 9665, 5097, 8679, 37, 2321
Output (English): f, q, r, t, u, y, z