Task: Program Execution
Input (English): 571 N Y 5059 I 1407 x p 4839 I 6757 C 1679 4787 7043 4211 E W 7875 D o E 6973 8783 7859 k 449 E G Q 4603 787 1285
Output (English): 1, 4, 6, 9, 11, 13, 14, 15, 16, 19, 23, 24, 25, 27, 31, 32, 33