Task: Program Execution
Input (English): n 59 3567 6847 7475 4221 w C j 957 2513 1721 q 1673 L 8477 5571 x R 2345 N 4381 2329 E 747 5855 R 547 W
Output (English): 2, 3, 4, 5, 6, 10, 11, 12, 14, 16, 17, 20, 22, 23, 25, 26, 28