#include <iostream>
#include<string>
using namespace std;

int main() 
{
   string str ="I am an alien";
   int len = str.length();
   cout<<"Count: "<<len<<endl;
   
   int txt = str.find("to");
   coutn<<"Count :"<<txt<<endl;
   
   starting sub = str.substr(4,5);
   cout<<sub;
   return 0;
}