Task: Program Execution
Input (English): 8, 18, ['A', '1603', '9443', '7851', 'B', 'v', '3137', 'a', '4643', 'P', '6569', '2825', 'F', '4251', 'E', '8541', '6841', 'f']
Output (English): a, 4643, P, 6569, 2825, F, 4251, E, 8541, 6841, f