Task: Program Execution
Input (English): 8, 15, ['8715', '8455', '3123', '4619', 'N', '1989', '4577', '6443', 'n', 'T', 'y', '4643', 'b', 'T', '359', 'P', '4615', 'r', 'K', '8001', '3723', '6175']
Output (English): 6443nTy4643bT359