Task: Program Execution
Input (English): 3, 7, ['411', 'n', '3017', 'j', '8489', 'w', '1007', '9427', 'M', '5735', 'D', 'b', '4579', 'A', 'N', 'I', 'B', 'x', '1435', '3945', 's', 'H', '1981', 'x', '6453', 'A']
Output (English): 3017, 5735, B, x