Task: Program Execution
Input (English): 7213 Z z 1233 1067 2313 H W l 8033 C L q 4097 w 1931 1353 9709 3805 v 5939 3369 j e 6393 f 1291 8235 M 1787 159 377 u Q 1965 E z
Output (English): 2, 3, 7, 8, 9, 11, 12, 13, 15, 20, 23, 24, 26, 29, 33, 34, 36, 37