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  1. #include <stdio.h>
  2. #include <math.h>
  3. int main(void) {
  4. int a,b,c,d;
  5. scanf("%d%d%d%d",&a,&b,&c,&d);
  6. if(a==b&&c==d){
  7. printf("YES");
  8. }
  9. else if (a==b||c==d) {
  10. printf("Yes");
  11. }
  12. else {
  13.   printf("NO");
  14. }
  15. return 0 ;
  16. }
Success #stdin #stdout 0s 4536KB
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Yes
https://ideone.com/vqSRnW
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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