View Compilation Error

0_0_38724140_30698.cpp: In function 'int main()':
0_0_38724140_30698.cpp:5:1: error: 'cout' was not declared in this scope
    5 | cout<<a+b<<endl;
      | ^~~~
0_0_38724140_30698.cpp:5:12: error: 'endl' was not declared in this scope
    5 | cout<<a+b<<endl;
      |            ^~~~