1854.晋升计数

include [HTML_REMOVED]

using namespace std;

int main()
{
int a1,b1,a2,b2,a3,b3,a4,b4;
cin >> a1 >> b1 >> a2 >> b2 >> a3 >> b3 >> a4 >> b4;
int ans3 = b4 - a4;
a3 -= ans3;

int ans2 = b3 - a3;
a2 -= ans2;

int ans1 = b2 - a2;

cout << ans1 << endl << ans2 << endl << ans3 << endl;

return 0;

}