Task: Program Execution
Input (English): x 6447 c 4419 j 5569 h c t U 4233 3987 6773 U u j F L W l S D B A d q 7023 X
Output (English): x, c, j, h, c, t, U, U, u, j, F, L, W, l, S, D, B, A, d, q, X