Task: Program Execution
Input (English): s, a, 9473, N, 3743, l, 7653, 389, f, O, 8261, j, 2695, x, 4225, 7583, U, S
Output (English): s, a, N, l, f, O, j, x, U, S, 9473, 3743, 7653, 389, 8261, 2695, 4225, 7583