Task: Program Execution
Input (English): 7, ['6623', '3197', 'w', '1957', 'K', 'N', '7355', 'b', '1561', 'X', '1533', 'J', 'Y', 'x', 'T', '4623', '6579', 'z', '7787', '3937', 'r', 'f', '6899', 'r']
Output (English): 6623, 3197, w, 1957, K, N, 7355