Task: Program Execution
Input (English): ['b', 551, 'F', 't', 'I', 'B', 'r', '6771', '9513', 't', 235, 'I', 9425], ['x', 'D', 'Y', 2485, 3247, 'I', 'B', 'r', '6771', '9513', 'f', 4619]
Output (English): I, B, r, 6771, 9513