Task: Program Execution
Input (English): z 4219 8427 415 Y 3447 9037 2127 i A 8805 6621 6863 2927 k 7441 R 1239 4403 i i M A K o 8547
Output (English): 1, 5, 9, 10, 15, 17, 20, 21, 22, 23, 24, 25