Task: Program Execution
Input (English): q, 583, U, m, V, S, F, O, 7607, 2665, 5289, 6467, A, I, e, 1499, 739, K, 3739, 5831, C, Z, I, x
Output (English): 2, 9, 10, 11, 12, 16, 17, 19, 20