Răspuns:
using namespace std;
#include <iostream>
#include <stdlib.h>
#include <math.h>
int main() //programul principal
{
int a,b,c,aux;
cin>>a>>b>>c;
if (a>b){aux=a; a=b; b=aux;}
if(a>c){aux=a; a=c; c=aux;}
if(b>c) {aux=b; b=c; c=aux;}
cout<<a<<b<<c;
}