Task: Program Execution
Input (English): z 8083 2409 c 9141 1833 j 8045 5305 e 1975 8113 o 6709 6811 l o u 3369 m f 187 5753 q f 873 h 371 x u z 9841 v 4065 3617 x 9067 3637 y q h
Output (English): c, e, f, h, j, l, m, o, q, u, v, x, y, z