Task: Program Execution
Input (English): 9363, 4373, x, a, G, q, F, 2915, O, 7177, j, f, 9243, 5215, r, z, A, p, 7505, 6169, U, E, 5613, 2801
Output (English): 3, 4, 5, 6, 7, 9, 11, 12, 15, 16, 17, 18, 21, 22