#include<iostream>
using namespace std;
int main() {
      double first, second, temp;
      cout << "Enter first number: ";
      cin >> first;
      cout << "Enter second number: ";
      cin >> second;
      // Value of first number assigned into temp
      temp = first;
      // Value of second is assigned to first
      first = second;
      // Value of temp is assigned to second
      second = temp;
      cout << "After swapping, first number = " << first << endl;
      cout << "After swapping, second number = " << second << endl;
      return 0;
}