#include <iostream>
using namespace std;
long int x;
int sum=0,minim=9,maxim=0,aux;
int main()
{
cout << "Introduceti un numar mai mic decat 1.000.000.000: \n";
cin>>x;
if(x>2000000000){
cout<<"Eroare! Ati introdus un numar prea mare sau unul negativ!"<<endl;
} else{
repeat:
aux=x%10;
x=x/10;
if(aux>maxim){
maxim=aux;
}
if(aux<minim){
minim=aux;
}
if(x>0){
goto repeat;
}
sum=minim+maxim;
cout << sum;
}
return 0;
}
