Task: Program Execution
Input (English): 9775 8503 4371 c L 9469 2929 9305 o 7475 1221 i 7665 t s 2511 8529 e 4175 a V t H 5269 6927 k F y 2225 1129 c H 1749 7769 o 4917
Output (English): 4, 5, 9, 12, 14, 15, 18, 20, 21, 22, 23, 26, 27, 28, 31, 32, 35