Task: Program Execution
Input (English): M, T, 6739, b, u, 7897, O, 6767, 4439, T, 4569, 6313, 7855, 7705, 3719, 1513, 1081, 7841, 6453, d, z, 951
Output (English): 6739, 7897, 6767, 4439, 4569, 6313, 7855, 7705, 3719, 1513, 1081, 7841, 6453, 951