Task: Program Execution
Input (English): m 9229 2515 h 3551 e 5591 7327 1655 H Y K 5777 3711 9979 r 3967 8945 7067 c 6537 e 139 1591 H
Output (English): 2, 3, 5, 7, 8, 9, 13, 14, 15, 17, 18, 19, 21, 23, 24