帮看下哪错了。

#include <iostream>
using namespace std;
int main()
{ int a,b,c;
cout<<"请输入两个数字"<<endl;
cin>>a>>b>>endl;
c=a+b;
cout<<"a+b"<<"="<<c<<endl;
return c;
}
显示error C2679: binary '>>' : no operator defined which takes a right-hand operand of type '' (or there is no acceptable conversion)
本人刚刚初学