Task: Program Execution
Input (English): i, b, 8561, h, f, g, 4017, d, 6351, 5435, 967, l, f, a, 463, 8325, 177, 5629, 8069, 2987, 2963, 5057, c
Output (English): a, b, c, d, f, g, h, i, l