#include <iostream>
using namespace std;
using std::endl;
#include<cstring>

int main(){
 
 char cadena1[24];
 char cadena2[34];
 char cadena3[27];
 cin>>cadena1;
 cin>>cadena2;
 cin>>cadena3;
 strncat(cadena1,cadena3,13);//concatena 12 caracteres de c3 a la c1
 strncat(cadena1,cadena2,19);//concatena 12 caracteres de c1 a la c3
 cout<<cadena1;
 return 0;
}