View Compilation Error

0_0_29657307_6676.cpp: In function 'int main()':
0_0_29657307_6676.cpp:5:2: error: 'cin' was not declared in this scope
  cin>>N;
  ^
0_0_29657307_6676.cpp:15:4: error: 'cout' was not declared in this scope
    cout<<d<<endl;
    ^
0_0_29657307_6676.cpp:15:13: error: 'endl' was not declared in this scope
    cout<<d<<endl;
             ^
0_0_29657307_6676.cpp:18:4: error: 'cout' was not declared in this scope
    cout<<e<<endl;
    ^
0_0_29657307_6676.cpp:18:13: error: 'endl' was not declared in this scope
    cout<<e<<endl;
             ^
0_0_29657307_6676.cpp:22:4: error: 'cout' was not declared in this scope
    cout<<m<<endl;
    ^
0_0_29657307_6676.cpp:22:13: error: 'endl' was not declared in this scope
    cout<<m<<endl;
             ^