#include <iostream>
#include <cstring>
using namespace std;
int main() {
char s1[20], s2[20], sHelp[20];
s1[0] = 0;
cin.getline(sHelp, 20);
strcat(s1, sHelp);
//cout << s1 << endl;
s2[0] = 0;
cin.getline(sHelp, 20);
strcat(s2, sHelp);
//cout << s2 << endl;
strcat(s1, s2);
cout << s1 << " ";
return 0;
}
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