View Compilation Error

0_0_33380640_23829.cpp: In function 'int main()':
0_0_33380640_23829.cpp:6:186: error: expected '}' at end of input
 using namespace std; int main(){    string str1,str2;    while(getline(cin,str1))    {         if(str1 == "#")            break;        istringstream stream(str1);        set<string>Set;//定义一个集合        while(stream>>str2)        {            Set.insert(str2);        }        cout<<Set.size()<<endl;    }    return 0;}
                                                                                                                                                                                          ^
0_0_33380640_23829.cpp:6:186: error: expected '}' at end of input