Task: Program Execution
Input (English): 3, 11, ['Y', '4859', 'C', '2957', 'z', '3875', 'm', 'd', '2361', 'f', '2099', '1941', '3499', '8855', 'n', 'Z', '681', '4583', '1785', '6339', '8975']
Output (English): 2099f2361dm3875z2957C