Task: Program Execution
Input (English): 7561, 3117, r, 613, W, 2509, c, x, 5997, 5669, j, 7805, C, 4625, u, E, 6745, I
Output (English): 7561, 3117, 18, 613, 23, 2509, 3, 24, 5997, 5669, 10, 7805, 3, 4625, 21, 5, 6745, 9