function Encryption takes string input returns string
    local integer inputStringLength = StringLength( input )
    local integer inputLoop = 0
    local integer alphabetLoop = 0
    local string  inputLoopChar = ""
    local string  output = "" 
    local integer array i
    local string array s
    loop
        exitwhen inputLoop >= inputStringLength   
        set inputLoopChar = SubString( input, inputLoop, inputLoop + 1 )
        loop
            exitwhen alphabetLoop >= StringLength( Alphabet() )
            if inputLoopChar == SubString( Alphabet(), alphabetLoop, alphabetLoop + 1 ) then
                if alphabetLoop < 10 then
                    set output = output + "0" + I2S( alphabetLoop )
                else
                    set output = output + I2S( alphabetLoop )
                endif
            endif
            set alphabetLoop = alphabetLoop + 1
        endloop
        set inputLoop = inputLoop + 1
        set alphabetLoop = 0  
    endloop
    return output         
endfunction