Task: Program Execution
Input (English): UpeCJycSvMQIwoquAzKuKFdlxBCluPLKccXptNrZ, kJuAzKuKFdlxBCluPLKccXmwdjZPQPmUC
Output (English): UpeCJycSvMQIwoqabcccdfkkklllpuuuxxzptNrZ, kJabcccdfkkklllpuuuxxzmwdjZPQPmUC