Task: Program Execution
Input (English): D, b, 4747, 5853, 5763, 521, o, K, 8903, 5421, c, 7737, 3621, A, L, 8889, x, 15
Output (English): D, b, o, K, c, A, L, x, 4747, 5853, 5763, 521, 8903, 5421, 7737, 3621, 8889, 15