Task: Program Execution
Input (English): 1, 8, ['7083', '9107', '285', 'R', '5155', '4543', '3705', '8017', 'z', '1463', 'U', '7613', '2415', '3947', 'Z', 'a', 'Q', 'u', 'p', 'x', 'q', '5289', '4103', '1049', 'v', '6229', '3553']
Output (English): 7083, z, Q, v