foo.cc: In function ‘int main()’:
foo.cc:7:13: warning: comparisons like ‘X<=Y<=Z’ do not have their mathematical meaning [-Wparentheses]
    7 |         if(x>=y>=z)
      |            ~^~~
foo.cc:9:18: warning: comparisons like ‘X<=Y<=Z’ do not have their mathematical meaning [-Wparentheses]
    9 |         else if(x>=z>=y)
      |                 ~^~~
foo.cc:11:27: warning: comparisons like ‘X<=Y<=Z’ do not have their mathematical meaning [-Wparentheses]
   11 |                 else if (y>=x>=z)
      |                          ~^~~
foo.cc:13:35: warning: comparisons like ‘X<=Y<=Z’ do not have their mathematical meaning [-Wparentheses]
   13 |                         else if (y>=z>=x)
      |                                  ~^~~
foo.cc:15:43: warning: comparisons like ‘X<=Y<=Z’ do not have their mathematical meaning [-Wparentheses]
   15 |                                 else if (z>=y>=x)
      |                                          ~^~~