View Compilation Error

0_0_13189475_28545.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_13189475_28545.cpp: In function 'int main()':
0_0_13189475_28545.cpp:18:26: error: 'scanf' was not declared in this scope
  while(scanf("%d%d",&i,&j)!=EOF)
                          ^
0_0_13189475_28545.cpp:18:29: error: 'EOF' was not declared in this scope
  while(scanf("%d%d",&i,&j)!=EOF)
                             ^
0_0_13189475_28545.cpp:20:25: error: 'printf' was not declared in this scope
      printf("%d %d ",i,j);
                         ^