View Compilation Error

0_0_34240453_7850.cpp: In function 'int main()':
0_0_34240453_7850.cpp:9:28: error: 'scanf' was not declared in this scope
  while(~scanf("%d %d",&a,&b)){
                            ^
0_0_34240453_7850.cpp:15:4: error: 'cout' was not declared in this scope
    cout<<i;
    ^
0_0_34240453_7850.cpp:17:4: error: 'cout' was not declared in this scope
    cout<<" "<<i;
    ^
0_0_34240453_7850.cpp:21:3: error: 'cout' was not declared in this scope
   cout<<"no"<<endl;
   ^
0_0_34240453_7850.cpp:21:15: error: 'endl' was not declared in this scope
   cout<<"no"<<endl;
               ^
0_0_34240453_7850.cpp:23:3: error: 'cout' was not declared in this scope
   cout<<endl;
   ^
0_0_34240453_7850.cpp:23:9: error: 'endl' was not declared in this scope
   cout<<endl;
         ^