Task: Program Execution
Input (English): 1069 W N I E 5087 8081 U L c 3821 4397 9221 o z 4435 4363 6993 B K s 4193 r k 8015 j 1845 c 1017 b 3759
Output (English): 1, 6, 7, 11, 12, 13, 16, 17, 18, 22, 25, 27, 29, 31