Task: Program Execution
Input (English): A, 1371, 9527, 5003, 1871, J, 3865, T, L, 2941, 3741, U, Z, A, r, 7751, 785, O, 6949
Output (English): 2, 3, 4, 5, 7, 10, 11, 16, 17, 19