#include <iostream>
using namespace std;

int main()
{
    char str1[100],str2[100];
    cin.get(str1,100);
    getchar();
    cin.get(str2,100);
    char* p1=str1;
    char* p2=str2;
    while(*p1!='\0')
    {
        p1++;
    }
    while(*p2!='\0')
    {
        *p1=*p2;
        p1++;
        p2++;
    }
    *p1='\0';
    cout<<str1<<endl;
}