Task: Program Execution
Input (English): 19, 21, ['1871', '733', '6793', 'C', 'h', '5703', '2787', 'x', 'o', '4449', 'P', 'z', 'c', 'x', '7503', '9601', '6623', 'T', '6491', '135', '5289', '6459', 'd', '5269', '3335', '5333']
Output (English): 64911355289