View Compilation Error

0_0_35979281_18598.cpp: In function 'int main()':
0_0_35979281_18598.cpp:20:16: error: expected ')' before ';' token
    while(cin>>n;)
                ^
0_0_35979281_18598.cpp:20:17: error: expected primary-expression before ')' token
    while(cin>>n;)
                 ^