foo.c: In function 'main':
foo.c:7:16: warning: comparison of constant '91' with boolean expression is always true [-Wbool-compare]
    7 |         if(64<a<91)
      |                ^
foo.c:7:14: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
    7 |         if(64<a<91)
      |            ~~^~
foo.c:14:24: warning: comparison of constant '123' with boolean expression is always true [-Wbool-compare]
   14 |                 if(96<a<123)
      |                        ^
foo.c:14:22: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
   14 |                 if(96<a<123)
      |                    ~~^~

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