View Compilation Error

0_0_29685671_24399.cpp: In function 'int main()':
0_0_29685671_24399.cpp:59:1: error: 'cout' was not declared in this scope
 cout<<endl;
 ^
0_0_29685671_24399.cpp:59:7: error: 'endl' was not declared in this scope
 cout<<endl;
       ^