Task: Program Execution
Input (English): P h 1975 2973 9473 4923 6217 l M 779 R 2815 9927 9011 M 4573 q w k 5239 6983 261 j 4135 k C 9917 7229 c j 6831 1843 7909
Output (English): 3, 4, 5, 6, 7, 10, 12, 13, 14, 16, 20, 21, 22, 24, 27, 28, 31, 32, 33