#include <iostream>
using namespace std;
int main() {
int a,b,c;
cin >> a;
cin >> b;
cin >> c;
if(a < b) {
if(a < c) {
if(b < c) {
cout << a << b << c << endl;
} else if(b > c) {
cout << a << c << b << endl;
}
} else if(a > c) {
if(a < b) {
cout << c << a << b << endl;
} else if(a > b) {
cout << c << b << a << endl;
}
}
} else if(b < c) {
if(c < a) {
cout << b << c << a << endl;
} else if(c > a) {
cout << b << a << c << endl;
}
}
return 0;
}