Task: Program Execution
Input (English): q, 3771, 8449, Z, 5853, I, f, 3579, 3021, 3801, c, d, 8425, 9023, 1423, B, 609, 1173, 3167
Output (English): 3771, 8449, 5853, 3579, 3021, 3801, 8425, 9023, 1423, 609, 1173, 3167