Task: Program Execution
Input (English): w, 5455, R, 3679, M, 1621, Z, 9157, I, c, Q, 6521, 4735, 43, f, z, Z, 2171, 6819
Output (English): w, R, M, Z, I, c, Q, f, z, Z, 5455, 3679, 1621, 9157, 6521, 4735, 43, 2171, 6819