Task: Program Execution
Input (English): 1801 B 2547 7991 6263 5685 8931 8207 7445 1351 4665 7019 9145 9191 A C 8501 2799 f c d R v 6901 b y 8041 i V G h g
Output (English): 2, 15, 16, 19, 20, 21, 22, 23, 25, 26, 28, 29, 30, 31, 32