View Compilation Error

0_0_30619752_28969.cpp:1:2: error: invalid preprocessing directive #nclude
 #nclude<stdio.h>
  ^
0_0_30619752_28969.cpp: In function 'int main()':
0_0_30619752_28969.cpp:6:26: error: 'scanf' was not declared in this scope
  while(scanf("%d%d",&a,&b)!=EOF)
                          ^
0_0_30619752_28969.cpp:6:29: error: 'EOF' was not declared in this scope
  while(scanf("%d%d",&a,&b)!=EOF)
                             ^
0_0_30619752_28969.cpp:8:20: error: 'printf' was not declared in this scope
   printf("%d\n",a+b);
                    ^