Task: Program Execution
Input (English): 15, ['x', '1287', '8183', 'B', 'K', '6473', '5991', 'T', 'o', '2725', 'E', 'k', '3535', 'N', 'C', '6981', '8931', '3265', 'p', 'r', 'n', 'u', '4193', 'h', 'a', 'y', '7145', 'H', 'f', '605', '3685', '2283', '7683', '7313', 'c', 'w', '1547', 'L', '627', 'K', 'J']
Output (English): x, 6981, 3685