Task: Program Execution
Input (English): t 877 2115 3399 u 5317 G p 3529 g 5711 k 4445 7513 I y X L K 8155 2727 9923 q 979 B y e G 4251 S
Output (English): 2, 3, 4, 6, 9, 11, 13, 14, 20, 21, 22, 24, 29