View Compilation Error

0_0_23217202_29517.cpp: In function 'int main()':
0_0_23217202_29517.cpp:20:32: error: expected statement at end of input
             if(ch=='('||ch=='[')  //遇到'(' ']'就push                s.push(ch);            if(ch==')'||ch==']')            {                if(s.empty())  //如果匹配时栈顶为空，说明绝对是不匹配的                    flag=0;                else if((s.top()=='('&&ch==')')||(s.top()=='['&&ch==']'))  //匹配成功                    s.pop();            }        }        if(flag==1&&s.empty())            cout<<"Yes"<<endl;        else cout<<"No"<<endl;    }}
                                ^
0_0_23217202_29517.cpp:20:32: error: expected '}' at end of input
0_0_23217202_29517.cpp:20:32: error: expected '}' at end of input
0_0_23217202_29517.cpp:20:32: error: expected '}' at end of input