Task: Program Execution
Input (English): W, 7653, 9947, q, 5743, 3239, 2905, 2929, 1019, X, l, I, 9169, 4889, 1565, U, 4411
Output (English): 7653, 9947, 5743, 3239, 2905, 2929, 1019, 9169, 4889, 1565, 4411