#include <stdio.h>   
#include <stdlib.h>   
  
void contact(char *str, const char *str1, const char *str2);  
  
int main()  
{  
    char str[201], str1[101], str2[101];  
  
    while(scanf("%s%s",str1,str2) != EOF)  
    {  
        contact(str, str1, str2);  
        printf("%s\n",str);  
    }  
    return 0;  
}  
void contact(char *str, const char *str1, const char *str2)  
{  
    int i, j;  
      
    for(i = 0; str1[i] != '\0'; i ++)  
    {  
        str[i] = str1[i];  
    }  
    for(j = 0; str2[j] != '\0'; j ++)  
    {  
        str[i + j] = str2[j];  
    }  
    str[i + j] = '\0';  
}
/**************************************************************
	Problem: 2180
	User: admin
	Language: C
	Result: Accepted
	Time:10 ms
	Memory:1144 kb
****************************************************************/