Task: Program Execution
Input (English): E, 7749, 1813, P, j, f, y, 8327, 7989, u, A, 8157, o, 5369, A, 9469, 7413, 1245, y
Output (English): 1, 4, 5, 6, 7, 10, 11, 13, 15, 19