foo.cc: In function 'int main()':
foo.cc:11:12: error: expected primary-expression before '>' token
  else if(x=>1 && x<10)
            ^
foo.cc:15:12: error: expected primary-expression before '>' token
  else if(x=>10 && x<15)
            ^
foo.cc:19:12: error: expected primary-expression before '>' token
  else if(x=>15 && x<30)
            ^

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