Task: Program Execution
Input (English): X, 8525, 6687, 6691, 5747, 5245, 7703, G, 797, 4211, 3475, 8837, 8501, 9369, U, a, c, T, a, 9299, O, 4015
Output (English): X, G, U, a, c, T, a, O, 8525, 6687, 6691, 5747, 5245, 7703, 797, 4211, 3475, 8837, 8501, 9369, 9299, 4015