Task: Program Execution
Input (English): C 3123 r c 7971 8953 A g 9091 F b 2773 j 2865 z 6439 1285 8923 C g 8215 6327 C G D 8359 7045
Output (English): 1, 3, 4, 7, 8, 10, 11, 13, 15, 19, 20, 23, 24, 25