cout<<"회원 이름을 입력하세요:";
cin>>residentNumber;
cout<<"회원 주민등록번호를 입력하세요:";
cin>>residentNumber;
cout<<"회원 주소를 입력하세요:";
cin.getline(address,30);
cout<<"회원 전화번호를 입력하세요:";
cin>>phone;

을 입력 받는데. 주소입력을 안받고 그냥 넘어가는데 왜 그런건가요??