Run id: 7539

Main.cc: In function 'bool Isprime(int)':
Main.cc:7:20: error: 'No' was not declared in this scope
     if(x<2) return No;
                    ^
Main.cc:10:20: error: 'No' was not declared in this scope
             return No;
                    ^
Main.cc:13:12: error: 'Yes' was not declared in this scope
     return Yes;
            ^
Main.cc:14:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^