#include <stdio.h>
int Check(char a , char* p)
{
int i = 0;
while(*(p + i))
{
if(a == *(p + i))
return 1;
i++;
}
return 0;
}
int main() {
char arr1[110] = { 0 };
char arr2[110] = { 0 };
gets(arr1);
gets(arr2);
int i = 0 ;
while(arr1[i])
{
if(Check(arr1[i] , arr2) == 0)
printf("%c",arr1[i]);
i++;
}
//thanks to bite Mr.peng
return 0;
}

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