Task: Program Execution
Input (English): w 6239 z 935 D 899 W 3947 2329 7017 7161 b o 5845 z u 6577 7753 y 1425 9729 7689 3437 1353 1599 3407 M e 3857 C 7039 c 8283 N 2131 2211 m 2881 2917 2231
Output (English): 2, 4, 6, 8, 9, 10, 11, 14, 17, 18, 20, 21, 22, 23, 24, 25, 26, 29, 31, 33, 35, 36, 38, 39, 40