Run id: 130362

Main.cc: In function 'int main()':
Main.cc:19:22: error: 'I' was not declared in this scope
         if(ZS(i)&&ZS(I+2)){
                      ^
Main.cc:21:9: error: 'flag' was not declared in this scope
         flag++;   
         ^
Main.cc:24:8: error: 'flag' was not declared in this scope
     if(flag==0)cout<<"No"<