Task: Program Execution
Input (English): Y, Y, 1161, 6089, 3123, J, 8829, S, 2389, 5043, 3425, 7361, 7667, 2171, u, 5829, G, 5061, j, 7121, r
Output (English): 1, 2, 6, 8, 15, 17, 19, 21