Task: Program Execution
Input (English): 6397 i 5063 j 4085 y 9141 5935 9805 m 9987 a u 2331 i 4825 353 2285 o v 4329 t 7081 j 7627 w t 1543
Output (English): a, i, j, m, o, t, u, v, w, y