Task: Program Execution
Input (English): 3955, 9067, F, 5277, U, s, 8199, w, t, X, K, 1703, 6347, 487, 2859, 5935, v, 7125, 9129, Z, k, S
Output (English): 3, 5, 6, 8, 9, 10, 11, 17, 20, 21, 22