#include <stdio.h>
#include <string.h>
int main()
{
int i = 0;
int k = 0;
int flag1 = 1;
int flag2 = 0;
int len1 = 0;
int len2 = 0;
int z = 0;
char arr1[100] = { '\0' };
char arr2[100] = { '\0' };
gets(arr1);
gets(arr2);
len1 = strlen(arr1);
len2 = strlen(arr2);
while(flag1)
{
for( i = 0 ; i < len1 ; i++ )
{
flag1 = 0;
if( arr1[i] == arr2[0] )
{
flag2 = 1;
k = i;
for( z = 0 ; z < len2 ; z++,flag2++ )
{
if( arr1[k] != arr2[z] )
{
flag2 = 0;
break;
}
k++;
}
if( flag2 )
{
flag1 = 1;
for( ; k < len1 ; i++ )
{
arr1[i] = arr1[k];
k++;
}
k = 0;
for( ; i < len1 ; i++ )
{
arr1[i] = '\0';
}
break;
}
}
}
}
puts(arr1);
return 0;
}