Task: Program Execution
Input (English): v, 5217, f, y, i, r, y, q, 3553, k, t, 9263, e, 5331, 715, m, 7843, 3623, y, 3355, 6307, 9967, 7291
Output (English): e, f, i, k, m, q, r, t, v, y