#include<stdio.h>
char?*lianjie(char?*s1,char?*s2);
int?main()
{
?char?s1[100],s2[100],*s3;
?gets(s1);
?gets(s2);
?puts(lianjie(s1,s2));
?return?0;
}
char?*lianjie(char?*s1,char?*s2)
{
?int?i=0,j=0,temp;
?while(s1[i]!='\0')
?{
??i++;
?}
?temp=i;
?while(s2[j]!='\0')
?{
??j++;
?}
?for(i=0;i<j;i++)
?{
??s1[temp]=s2[i];
??temp++;
?}
?s1[temp]='\0';
?return?s1;
}