using namespace std;int main() { int sum1 = 100 + 50; // 150 (100 + 50) int sum2 = sum1 + 250; // 400 (150 + 250) int sum3 = sum2 + sum2; // 800 (400 + 400) cout << sum1 << "\n"; cout << sum2 << "\n"; cout << sum3; return 0;}