Task: Program Execution
Input (English): 1, ['z', '5611', '8795', '3003', 'J', 'k', 'P', 'x', 'A', '3467', '4993', 'R', '1281', '4095', '4011', 'b', '9057', '6455', 'q', 'X', 'B', 'C']
Output (English): z