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


/**************************************************************
	Problem: 1419
	User: chensijia
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/