Task: Program Execution
Input (English): 6, 9, ['P', '2015', '5265', '5411', '3519', '453', 'f', 'k', '4975', 'K', 'R', 'E', 'c', '3507', '7863', '4331', '2815', '221', 'j']
Output (English): 4975, k, f, 453