#include <iostream>
using namespace std;
int main(){
	int a,b,t;
	cin>>a>>b;
	//如果a > b，交换ab
	if(a > b){
		t = a;
		a = b;
		b = t;
	}
	cout<<a<<" "<<b<<endl;
}
/**************************************************************
	Problem: 1419
	User: admin
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/