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

return 0;
}

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