Task: Program Execution
Input (English): 6497 p 7995 3803 r g 9793 5701 3085 y 7583 3447 K X 9389 b t 5855 o C h 3633 1955 4141 7239 E q L
Output (English): 1, 3, 4, 7, 8, 9, 11, 12, 15, 18, 22, 23, 24, 25