#include<stdio.h>
#include<string.h>
main()
{	
	char s1[30],s2[30];
	int i,j;
	scanf("%s",s1);
	scanf("%s",s2);
	i=0;
	while(s1[i]!='\0')
	i++;
	j=0;
	do
	{	
		s1[i]=s2[j];
		i++;j++;
	}	while(s2[j-1]!='\0');
	printf("%s\n",s1);
 }