Task: Program Execution
Input (English): G, 1623, 6079, 8811, f, b, 3551, 6987, 197, 3499, 8013, 1991, Q, L, 1743, 3923
Output (English): G, f, b, Q, L, 1623, 6079, 8811, 3551, 6987, 197, 3499, 8013, 1991, 1743, 3923