Task: Program Execution
Input (English): 2253, 3759, 5307, 8355, r, 307, I, 5849, 7557, 1353, 3813, 5613, 2311, 477, 4439
Output (English): 2253, 3759, 5307, 8355, 18, 307, 9, 5849, 7557, 1353, 3813, 5613, 2311, 477, 4439