#include<iostream>
#include<string.h>
#include<fstream>
using namespace std;
void main()
{ char i;
ifstream infile;
ofstream outfile;
outfile.open("0310.txt");
while(cin>>i)
{
outfile<<i;
}
infile.open("0310.txt");
if(infile)
{
while(infile>>i)
{
cout<<i;
}
}
}