#include <iostream>
#include <iterator>
#include <string>
using namespace std;
int main()
{
ostream_iterator<string> out_iter(cout, "\n");
istream_iterator<string> in_iter(cin), eof;
while ( in_iter != eof ) {
auto tmp = in_iter;
++in_iter;
*out_iter = *tmp;
}
return 0;
}
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