Task: Program Execution
Input (English): UtHswRDGzNMgumwDWvEdbHCybieC, rWkWszMKvEGgumwDWvEdbHCybxtKZzbGJt
Output (English): UtHswRDGzNMbbcddeghmuvwwyieC, rWkWszMKvEGbbcddeghmuvwwyxtKZzbGJt