C :

#include<stdio.h>
#include<string.h>

int main()
{
	int i,k,l;
	char a[35];
	while(gets(a))
	{
		k=0;
		if(!strcmp(a,"#"))
			break;
		l=strlen(a);
		for(i=0;i<l;i++)
			if(a[i]=='1')
				k++;
		if(k%2==0)
		{
			if(a[l-1]=='e')
				a[l-1]='0';
			else
				a[l-1]='1';
		}
		else
		{
			if(a[l-1]=='e')
				a[l-1]='1';
			else
				a[l-1]='0';
		}
		printf("%s\n",a);
	}
	return 0;
}

C++ :

#include<stdio.h>
#include<string.h>

int main()
{
	int i,k,l;
	char a[35];
	while(gets(a))
	{
		k=0;
		if(!strcmp(a,"#"))
			break;
		l=strlen(a);
		for(i=0;i<l;i++)
			if(a[i]=='1')
				k++;
		if(k%2==0)
		{
			if(a[l-1]=='e')
				a[l-1]='0';
			else
				a[l-1]='1';
		}
		else
		{
			if(a[l-1]=='e')
				a[l-1]='1';
			else
				a[l-1]='0';
		}
		printf("%s\n",a);
	}
	return 0;
}

Pascal :

program hehe;
var a:string;i,s,x,code:integer;
begin
readln(a);s:=0;
while a<>'#' do
 begin
 for i:=1 to length(a)-1 do
  begin
  val(a[i],x,code);
  s:=s+x;
  end;
 if a[length(a)]='e' then if odd(s) then begin delete(a,length(a),1);insert('1',a,length(a)+1);end
                          else begin delete(a,length(a),1);insert('0',a,length(a)+1);end;
 if a[length(a)]='o' then if odd(s) then begin delete(a,length(a),1);insert('0',a,length(a)+1);end
                          else begin delete(a,length(a),1);insert('1',a,length(a)+1);end;
 writeln(a);
 readln(a);s:=0;
 end;
end.

Java :

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		while(true){
			String s = in.nextLine();
			if(s.equals("#"))break;
			char[] mai = s.substring(0, s.length()-1).toCharArray();
			char com = s.charAt(s.length()-1);
			int cou = 0;
			for(char c:mai)
				if(c=='1')cou++;
			if(cou%2==0&&com=='e' || cou%2==1&&com=='o')System.out.println(s.replace(com, '0'));
			else System.out.println(s.replace(com, '1'));
		}
	}

}

Python :

import sys
  
for line in sys.stdin:
    data = list(line.split()[0])   
    if data[0]!='#':
        c1 = data.count('1')
        if c1%2==0:
           if data[-1]=='e':
              data[-1]='0'
              print ''.join([i for i in data])
           elif data[-1]=='o':
              data[-1]='1'
              print ''.join([i for i in data])
        else:
           if data[-1]=='e':
              data[-1]='1'
              print ''.join([i for i in data])
           elif data[-1]=='o':
              data[-1]='0'
              print ''.join([i for i in data])      

C# :

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string str;
            while ((str=Console.ReadLine())!=null && str!="#")
            {
                int flag = str.Split('1').Length - 1;
                string ans=string.Empty;
                if (str[str.Length - 1] == 'e')
                {
                    if (flag % 2 == 0)
                        ans = "0";
                    else ans = "1";
                }
                else
                {
                    if (flag % 2 == 0)
                        ans = "1";
                    else ans = "0";
                }
                
                Console.WriteLine(str.Substring(0,str.Length-1)+ans);
            }
        }
    }
}