Task: Program Execution
Input (English): 4, ['J', '8171', 'A', 'K', '3387', 'X', 'q', '9453', 'W', '2833', 'Q', '9043', 'n', '8831', 'C', '7811', 'U', 't', '7999']
Output (English): 3387, X, q, 9453, W, 2833, Q, 9043, n, 8831, C, 7811, U, t, 7999