Task: Program Execution
Input (English): x, 7829, 3301, H, o, w, 3965, o, O, U, 4437, k, I, O, 2267, d, G, b, C, 2115
Output (English): 1, 4, 5, 6, 8, 9, 10, 12, 13, 14, 16, 17, 18, 19