Task: Program Execution
Input (English): 1, ['D', 'j', '3543', '855', '2645', 'O', '935', 'B', 's', 'a', 'C', '205', 'z', 'e', '7563', '1411', '2215', '6349', 'j', 'x', 'o', 'Z', 'T', '6519']
Output (English): D