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

#include<bits/stdc++.h>
using namespace std;

int main(){
	int a, b;
	cin >> a >> b;
	if (a > b) {
		swap(a, b);
	}
    cout << a << " " << b;
	return 0;	
}

#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,t;
    cin>>a>>b;
	if(a>b){
		t=a;
        a=b;
        b=t;
	}
	cout<<a<<" "<<b;
	return 0;
}