#include 
using namespace std;

int main()
{
    int a, b, x, y;
    x = 0; y = 0;
    a = 1; b = 2;
    do 
    {
        x = x + a; // 3
        y = y + b; // 4
        a++;
    } while(a <= b);
    cout << x << endl;
    cout << y << endl;

}