Task: Program Execution
Input (English): 4, 15, ['P', 'G', 'm', 'Q', '361', 'Y', 'i', '9021', '5793', '7443', 'R', 'u', '1309', '4045', 'W', '4649', 'W', 'K', 'p', 'c']
Output (English): W40451309uR744357939021iY361Q