Task: Program Execution
Input (English): 4223 t U 7725 R y 4951 1785 c 393 2945 1251 3451 5375 O 2881 7825 6539 u g E O G W H 165 Y 5813 L a 4573 5215
Output (English): 1, 4, 7, 8, 10, 11, 12, 13, 14, 16, 17, 18, 26, 28, 31, 32