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

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

//头文件... ...
long long a,b;
cin>>a>>b;
long long x,y;
if (a>b){
x=a; 
y=b;
}
if (a<b){
x=b;
y=a;
}
cout<<y<<" "<<x;
*/

If you do not know this,you can call me at 000000.

#include<bits/stdc++.h>

using namespace std;

int main( ){

int n,m;

cin>>n>>m;

if(n<m) cout<<n<<' '<<m;

else if(m<n) cout<<m<<' '<<n;

return 0;

}