Task: Program Execution
Input (English): 4, 4, ['2469', 'd', 'R', 'z', '2249', 'Z', 'H', 'p', '2127', '5893', 'Q', 'l', '2151', '4329', '1677', '2457', '1763', 'M', '9837', '8749', 'p']
Output (English): z, p, l, 2457, 8749