Task: Program Execution
Input (English): 1, 1, ['C', 'c', 'B', '6245', 'x', 'Q', '7977', '7173', 'E', 'U', '9639', '8383', '7155', '4583', '7783', 'P', 'g', '5665', 'Y', '7505', 'J', '585', 'O', '4533', 't', '9177', 'd', '607', 'D']
Output (English): C