Task: Program Execution
Input (English): j g w j 5399 6811 5919 9075 t 3191 2261 p 2871 h 7963 1491 e t a 9057 x f 2497 p 1939 6089 c 1961 867 2851 4647 i p z 7117 1949 107 9057 c 8933 p n o s
Output (English): a, c, e, f, g, h, i, j, n, o, p, s, t, w, x, z