1.
#include<iostream>
#include<cstring>
using namespace std;
char x[100],y[100];
int main()
{
    cin>>x>>y;
    if(strlen(x)>strelen(y))
   {
       cout<<y<<" ";
       cout<<x;
   }
    else
   {
       cout<<x<<" ";
	   cout<<y;
   }
}