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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.  
  5. int a,b,c;
  6. scanf("%d%d%d",&a,&b,&c);
  7.  
  8. if ((a<b)&&(b<c))
  9. printf("Yes");
  10.  
  11. else
  12. printf("No");
  13.  
  14. return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5320KB
stdin
1 2 3 
stdout
Yes