Task: Program Execution
Input (English): 5583, 7529, 4685, r, H, 3591, 5579, W, 1147, 923, 835, B, q, G, 2693, 875, 8303, q, 6095, 8725, 8711
Output (English): 1, 2, 3, 6, 7, 9, 10, 11, 15, 16, 17, 19, 20, 21