foo.cc: In function 'int main()':
foo.cc:5:6: warning: unused variable 'h' [-Wunused-variable]
    5 |  int h=35,l=94;
      |      ^
foo.cc:5:11: warning: unused variable 'l' [-Wunused-variable]
    5 |  int h=35,l=94;
      |           ^

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