Task: Program Execution
Input (English): y, 9007, 5835, u, 7087, r, v, x, 9517, 1109, 7899, 5459, C, m, 2005, 6833, r, r, O
Output (English): 1, 4, 6, 7, 8, 13, 14, 17, 18, 19