Task: Program Execution
Input (English): s 1391 1927 h Y i 4653 s 9593 E Y 9981 7731 8457 c W 8741 k G 417 d B k l 5063 6143
Output (English): 1, 4, 5, 6, 8, 10, 11, 15, 16, 18, 19, 21, 22, 23, 24