Task: Program Execution
Input (English): 3373 7375 J 6999 6501 4247 R 6871 645 Z q 1865 M 6749 j 5511 7813 7309 j 5923 a 263 4357 4245 G 4619 8843 4131 5219
Output (English): 1, 2, 4, 5, 6, 8, 9, 12, 14, 16, 17, 18, 20, 22, 23, 24, 26, 27, 28, 29