Task: Program Execution
Input (English): 9, 20, ['3041', '8695', 'D', '2061', '875', 'm', '8303', '5535', 'k', '6905', '1551', 'f', 'N', '155', 'f', '1885', 'D', '371', '4427', '9095', 'K', 'P', '2199', 'Z', 'Z', 'D', '9517']
Output (English): k69051551fN155f1885D37144279095