Task: Program Execution
Input (English): 2239, 7487, 3099, v, s, 3903, 5361, P, 363, 193, Q, D, 9819, 2739, g, 6069, 3983, 7403, 7089, 3121, e, 1603, O
Output (English): 4, 5, 8, 11, 12, 15, 21, 23