Task: Program Execution
Input (English): MFUvGwrqcxDBlOClpadoxxFaEInOiIsLtYW, ACHdOlOClpadoxxFaElKsWpHbpXPlDf
Output (English): MFUvGwrqcxDBaacdeflloopxxInOiIsLtYW, ACHdOaacdeflloopxxlKsWpHbpXPlDf