Task: Program Execution
Input (English): e, 5569, a, 1215, 867, u, 6385, Y, 5167, 5419, 1347, n, 8993, 4181, y, S, G, 853, 8865, 969, e, d, 7713, 2413
Output (English): 1, 3, 6, 8, 12, 15, 16, 17, 21, 22