Task: Program Execution
Input (English): 10, ['r', '3771', '9723', '6571', '2865', 'z', 'q', 'n', '1555', 'v', '3089', 'd', 'Y', 'r', 'z', '3251', 'C', 'F', 'S', '957', '2091', 'W', '7705', '6075', 'z', 'l', '2251', 'y', 'v', '6313', 'Z', 'X', '8907', '9709', 'D']
Output (English): r, 3089, 2091, Z