Task: Program Execution
Input (English): f, 7221, i, s, 6801, g, 5219, 9453, q, 385, 4633, 2163, I, v, 8559, 215, S, 4383, Q, 1003, l, A, D, X
Output (English): 1, 3, 4, 6, 9, 13, 14, 17, 19, 21, 22, 23, 24