Task: Program Execution
Input (English): 4, 10, ['1745', 't', 'W', 'u', '929', '4873', '9479', 'P', '7881', '7971', 'I', '3813', 'W', 'x', 'G', '5495', 'S', '2333', 't', '2175', 'q', '3063', '3409', 'N', 'H', 'z', '4567', '8159', '3641', 'K']
Output (English): u92948739479P78817971