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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6. int r1, r2, r3;
  7. cout << "enter r1: ";
  8. cin >> r1;
  9. cout << "enter r2: ";
  10. cin >> r2;
  11. cout << "enter r3: ";
  12. cin >> r3;
  13. if (r2 + r3 <= r1) {
  14. cout << "YES" << endl;
  15. } else {
  16. cout << "NO" << endl;
  17. }
  18.  
  19. return 0;
  20. }
Success #stdin #stdout 0s 3460KB
stdin
10 4 7
stdout
enter r1: enter r2: enter r3: NO