Task: Program Execution
Input (English): 2, 6, ['1355', 'Z', 'W', '4205', '1845', 'Z', 'f', '5087', 'b', 'm', 'F', 'c', '9953', '5973', '1323', 'P', 'd', 'a', 'H', 'N', 'M']
Output (English): ZW42051845Z