#include<string>
#include<cstdio>
using namespace std;
class intStore
{
public:
int n;
int reverse(int n)
{
int revn=0;
while(n>0)
{
revn+=n%10;
n=n/10;
if(n<=0)
{
break;
}
revn=revn*10;
}
return revn;
}
};
int main()
{
class intStore c1;
int N;
for(int i=0;i<10;i++)
{
cin>>N;
if(N==0)
{
break;
}
else
{
c1.n=N;
//cout<<N<<endl;
int revN=c1.reverse(N);
//cout<<revN<<endl;
cout<<N<<' '<<revN<<endl;
}
}
}