Task: Program Execution
Input (English): 1, ['B', 'n', '1335', '3635', '3409', 'c', 'r', 'I', 'x', 'W', 'D', 'C', '7891', '6525', 'z']
Output (English): B, n, 1335, 3635, 3409, c, r, I, x, W, D, C, 7891, 6525