Task: Program Execution
Input (English): z, Y, N, e, U, 859, q, 4397, 9013, o, 3871, r, n, 3907, 925, 9415, t, 4391, k, Y, v, 1235, x
Output (English): z, Y, N, e, U, q, o, r, n, t, k, Y, v, x