Task: Program Execution
Input (English): 3637, 9933, H, 1663, L, 9567, 4777, 4867, i, A, I, 1607, x, 5823, U, 7087, w, 469, 1377, 4317, 8521, 3737, 9217, 1663
Output (English): 3637, 9933, 1663, 9567, 4777, 4867, 1607, 5823, 7087, 469, 1377, 4317, 8521, 3737, 9217, 1663