// operating with variables

#include <iostream>
using namespace std;

int main ()
{
	// declaring variables:
	int a, b;
	int result;

	// process:
	a = 5;
	b = 2;
	a = a + 1;
	result = a - b;

	// print out the result:
	cout << result;

	// terminate the program:
	return 0;
}