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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int k, l, m, n, a;
  6. 	cin >> k >> l >> m >> n;
  7. 	if (k - m == (l - n) || (n - l)){
  8. 		cout << "yes";
  9. 	} else {
  10. 		cout << "no";
  11. 	}
  12. 	return 0;
  13. }
Success #stdin #stdout 0.01s 5288KB
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stdin
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1
3
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3
stdout
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no
https://ideone.com/N4bHAr
language:
C++ (gcc 8.3)
created:
9 days ago
visibility:
public

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