#include <iostream>
#include <string>
using namespace std;
 
struct Foo
  {
   string name;
   Foo(const string &name):name(name) { cout<<"create "<<name<<endl; }
   ~Foo() { cout<<"destroy "<<name<<endl; }
  };
 
 
int main()
  {
   cout<<"1:"<<endl;
   Foo a("a");
   cout<<"2:"<<endl;
   for(int i=0;i<2;++i)
     {
      cout<<"3:"<<endl;
      Foo b(string("b")+(char)('0'+i));
      cout<<"4:"<<endl;
     }
   cout<<"5:"<<endl;
   return 0;
  }

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