View Compilation Error

0_0_38336250_13452.cpp: In function 'int main()':
0_0_38336250_13452.cpp:20:20: error: 'std::map<int, int>::iterator' has no member named 'second'
     cout<<mp.end().second<<endl;
                    ^
0_0_38336250_13452.cpp:28:22: error: 'std::map<int, int>::iterator' has no member named 'second'
     cout<<mp.begin().second<<endl;
                      ^