Task: Program Execution
Input (English): h, 543, 4217, j, W, 1151, i, 9881, f, 1109, 1549, 1935, 1423, 8905, 5121, 5265, 189, B, n, G, 9153, 6931, I, a
Output (English): 2, 3, 6, 8, 10, 11, 12, 13, 14, 15, 16, 17, 21, 22