C :

#include<stdio.h>
int main()
{
	int a,b,c,t;
	scanf("%d%d%d",&a,&b,&c);
	if(a<b)
	{
		t=a,a=b,b=t;
	}
	if(a<c)
	{
		t=a,a=c,c=t;
	}
	if(b<c)
	{
		t=b,b=c,c=t;
	}
	printf("%d %d %d",a,b,c);
	return 0;
}

C++ :

#include<stdio.h>
int main()
{
    int a,b,c,d;
    scanf("%d %d %d",&a,&b,&c);
    if(a<b)
    {
        d=a;
        a=b;
        b=d;
    }
    if(a<c)
    {
        d=a;
        a=c;
        c=d;
    }
    if(b<c)
    {
        d=b;
        b=c;
        c=d;
    }
    printf("%d %d %d",a,b,c);
    return 0;
}

Java :

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int[] a = new int[3];
        a[0] = sc.nextInt();
        a[1] = sc.nextInt();
        a[2] = sc.nextInt();
        java.util.Arrays.sort(a);
        for (int i = 2; i >=0; i--){
            System.out.print(a[i] + " ");
        }

    }
}

Python :

# coding=utf-8
#!/usr/bin/python2
import sys
import re
import math
a,b,c=(int(x) for x in raw_input().split(' '))
temp=0
if a<b:
    temp=a
    a=b
    b=temp
if a<c:
    temp=a
    a=c
    c=temp
if b<c:
    temp=b
    b=c
    c=temp
    
print a,b,c

C# :

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp2
{
    internal class Program
    {
        static void Main()
        {
            //int[] days = { 31,28,31,30,31,30,31,31,30,31,30,31};
            /*int n = Convert.ToInt32 (Console.ReadLine());
            string[] a1 = Console.ReadLine().Split();
            double r = Convert.ToDouble(a1[0]);
            double b = Convert.ToDouble(a1[1]);
            double c = Convert.ToDouble(a1[2]);
            float pi = 3.1415926f;
            string S = ((r + b+c) / n).ToString("0.00");
            */
            string[] n = Console.ReadLine().Split(' ');
            int a = Convert.ToInt16(n[0]); int b = Convert.ToInt16(n[1]); int c = Convert.ToInt16(n[2]);
            int max =0;
            int e = 0;
            int d = 0;
            if (a >= b && a >= c)
            {
                max=a;
                 d = b;
                 e = c;
            }
            else if (b >= a && b >= c)
            {
                max = b;
                 d = c;
                 e = a;
            }
            else { max = c;
                d = a;
                e = b;
            }
            string T = "o";
            string ma = Convert.ToString(max)+" ";
            string m = Convert.ToString(d)+" ";
            string s = Convert.ToString(e) + " ";
            if (d >e)
            {

                Console.WriteLine(ma+m+s);
            }
            else {
                Console.WriteLine(ma+s+m);

            }
  

            
            Console.ReadKey();

        }
    }
}