#include <stdio.h>
#include <string.h>
int main() {
char A[400];
char B[200];
char C[200];
gets(A);
gets(B);
gets(C);
int na=strlen(A);
int nb=strlen(B);
int nc=strlen(C);
char res[500]={0};
int h=0;
for(int i=0;i<na;i++){
if(strncmp(A+i,B,nb)==0){
strcat(res,C);
i=i+nb-1;
h=h+nc;
}
else{
res[h++]=A[i];
}
}
res[h]='\0';
printf("%s",res);
return 0;
}
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