Task: Program Execution
Input (English): B, N, 2773, e, S, 6415, q, c, w, s, f, 8705, 3711, v, e, 4629, 507, O, 1353, i, 5623, C, a
Output (English): B, N, e, S, q, c, w, s, f, v, e, O, i, C, a