Run id: 66464

Main.cc: In function 'int main()':
Main.cc:6:5: error: 'a' was not declared in this scope
  if(a>=90){
     ^
Main.cc:8:11: error: expected primary-expression before '>=' token
  }else if(>=80<90){
           ^
Main.cc:10:11: error: expected primary-expression before '>=' token
  }else if(>=70<80){
           ^