#include  <bits/stdc++.h>

using namespace std;
int main()
{
    int n=0,i=0;
    char array1[200];
    char array2[200];
    scanf("%s%s",array1,array2);
    while(array1[n]!='\0')
    {
        n++;
    }
    while(array2[i]!='\0')
    {
        array1[n]=array2[i];
        i++;
        n++;
    }

//    cout<<array1<<endl;
    for (int j = 0; j < n; ++j) {
        printf("%c",array1[j]);
    }
}