#include<stdio.h>
#include<iostream.h>
double fun(double a,double b,double c)
{
	double t;
	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;}
	return 1.0;
}
void main()
{
	double a,b,c,t;
	cin>>a;
	cin>>b;
	cin>>c;
	fun(a,b,c);
	cout<<a;
	cout<<b;
	cout<<c;
}