Task: Program Execution
Input (English): 4, 10, ['8607', '8907', 'a', 'I', 'M', '7779', 'E', 'A', '6413', '547', 'P', 'h', 'D', 'F', '8469', 'C', 'O', 'p', 'N', 'c', 'A', '2787', '5773', 'c', 'D', '2011']
Output (English): I, F, c