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