// CPP program to illustrate substr()

#include <string.h>

#include <iostream>

using namespace std;

int main()

{

    // Take any string

    string s1 = "Geeks";

    // Copy three characters of s1 (starting

    // from position 1)

    string r = s1.substr(3, 2);

    // prints the result

    cout << "String is: " << r;

    return 0;

}