C++ String Insert string, remove characters, replace substring

#include <iostream> 

using namespace std; 

int main() /*www .jav  a2s. com*/
{ 
  string words = "Something interesting and bizarre"; 
  cout << words << endl; 

  words.insert(10, "seriously "); 
  cout << words << endl; 

  words.erase(19,16); 
  cout << words << endl; 

  words.replace(4, 5, "body"); 
  cout << words << endl; 

  return 0; 
}