View Compilation Error

0_0_24803449_25130.cpp:1:2: error: invalid preprocessing directive #inlcude
 #inlcude<iostream>
  ^
0_0_24803449_25130.cpp: In function 'int main()':
0_0_24803449_25130.cpp:6:8: error: 'cin' was not declared in this scope
  while(cin>>a>>b)
        ^
0_0_24803449_25130.cpp:7:2: error: 'cout' was not declared in this scope
  cout<<(a+b)/2<<endl;
  ^
0_0_24803449_25130.cpp:7:17: error: 'endl' was not declared in this scope
  cout<<(a+b)/2<<endl;
                 ^