Run id: 84098

Main.cc: In function 'bool is(int)':
Main.cc:4:5: error: 'b' was not declared in this scope
  if(b - a == 2){
     ^
Main.cc: In function 'int main()':
Main.cc:24:22: error: expected ')' before '{' token
   if(is(i) && is(i+2){
                      ^
Main.cc:27:2: error: expected primary-expression before '}' token
  }
  ^
Main.cc: In function 'bool is(int)':
Main.cc:19:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^