#include <iostream>
#include <string>
using std::string;
using std::cin;
using std::cout;
using std::endl;
int main()
{
string concatenated;
for (string buffer; cin >> buffer; concatenated += buffer);
cout << "The concatenated string is " << concatenated << endl;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8c3RyaW5nPgoKdXNpbmcgc3RkOjpzdHJpbmc7CnVzaW5nIHN0ZDo6Y2luOwp1c2luZyBzdGQ6OmNvdXQ7CnVzaW5nIHN0ZDo6ZW5kbDsKCmludCBtYWluKCkKewogICAgc3RyaW5nIGNvbmNhdGVuYXRlZDsKICAgIGZvciAoc3RyaW5nIGJ1ZmZlcjsgY2luID4+IGJ1ZmZlcjsgY29uY2F0ZW5hdGVkICs9IGJ1ZmZlcik7CiAgICBjb3V0IDw8ICJUaGUgY29uY2F0ZW5hdGVkIHN0cmluZyBpcyAiIDw8IGNvbmNhdGVuYXRlZCA8PCBlbmRsOwoKICAgIHJldHVybiAwOwp9