Task: Program Execution
Input (English): 9277 4089 4181 2051 5433 5269 1987 i r 5993 9221 9625 8935 I 4277 835 2559 1635 P 2769 3031 4967 X y 6715 c 9251 X K l
Output (English): 1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 15, 16, 17, 18, 20, 21, 22, 25, 27