/in/foo.c:1:2: error: invalid preprocessing directive #incldue; did you mean #include?
    1 | #incldue<bits/stdc++.h>
      |  ^~~~~~~
      |  include
/in/foo.c:2:1: error: unknown type name 'using'
    2 | using namespace std;
      | ^~~~~
/in/foo.c:2:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'std'
    2 | using namespace std;
      |                 ^~~
/in/foo.c: In function 'main':
/in/foo.c:5:9: error: 'cin' undeclared (first use in this function)
    5 |         cin>>a>>b;
      |         ^~~
/in/foo.c:5:9: note: each undeclared identifier is reported only once for each function it appears in
/in/foo.c:6:9: error: 'cout' undeclared (first use in this function)
    6 |         cout<<a+b;
      |         ^~~~