Task: Program Execution
Input (English): 15, 17, ['2191', '7147', 'a', 'V', 'u', '1629', 'N', '7589', '5313', 'L', '2315', 'W', '9827', '7637', 'v', 'H', '6887', '5751', 'P', 'E', '2321', '1589', 't', 'z', 'r', '2737']
Output (English): 6887, H, v