Task: Program Execution
Input (English): 1577, 6553, 709, g, 563, r, 1199, t, 2151, j, 5559, 1669, Z, 7635, 6489, 7909, 3649, B, 1225
Output (English): g, r, t, j, Z, B, 1577, 6553, 709, 563, 1199, 2151, 5559, 1669, 7635, 6489, 7909, 3649, 1225