Task: Program Execution
Input (English): 1281, s, 2393, 5297, x, 9493, V, 2135, 157, 163, x, 4543, 4685, 8515, a, O, 4655
Output (English): 1, 3, 4, 6, 8, 9, 10, 12, 13, 14, 17