Task: Program Execution
Input (English): 9, ['4661', 'x', 'S', '5693', '6073', 'g', '2041', '6953', '4765', '4027', '7021', '121', 'R', 'c', 'h', 'X', 'E', '3015']
Output (English): 4027, 7021, 121, R, c, h, X, E, 3015