| #include<cstring> 
 #include<iostream>
 
 using namespace std;
 
 int main(){
 
 string a,b,c;
 
 int i,j,k,p,q;
 
 getline(cin,a);
 
 getline(cin,b);
 
 getline(cin,c);
 
 do{k=a.find(b);p=b.length();q=c.length();
 
 if(k>=0){a.erase(k,p);a.insert(k,c);}
 
 k=a.find(b);
 
 }while(k>=0);
 
 cout<<a;
 
 return 0;
 
 }
 
 (  )
 |