Task: Program Execution
Input (English): r e 4069 149 4247 c t 6787 n 435 P 2379 T 3997 2307 b 5929 J 4861 6429 865 C 1025 7267 641 Y f 8293 407 m p v
Output (English): 18, 5, 4069, 149, 4247, 3, 20, 6787, 14, 435, 16, 2379, 20, 3997, 2307, 2, 5929, 10, 4861, 6429, 865, 3, 1025, 7267, 641, 25, 6, 8293, 407, 13, 16, 22