Task: Program Execution
Input (English): 1, ['S', 'i', 'r', 'n', 'f', '4523', 'E', 'a', 'P', 'e', 'M', '6083', 'W', 'Q', '451', '1905', 'o', '8347', 'n', 'Q', 'D']
Output (English): S