#include <iostream>
using namespace std;

int main()
{
  int a,b;
  cout << "Enter the 1st number:";
  cin >> a;
  cout << "Enter the 2nd number:";
  cin >> b;
  a=a+b;
  b=a-b;
  a=a-b;
  cout << "The 1st number is " << a << endl;
  cout << "The 2nd number is " << b;
}