/in/foo.cc: In function 'int main()':
/in/foo.cc:8:19: error: expected initializer before 'b'
    8 |         char a,ll b,float c,double d;
      |                   ^
/in/foo.cc:9:17: error: 'b' was not declared in this scope
    9 |         cin>>a>>b>>c>>d;
      |                 ^
/in/foo.cc:9:20: error: 'c' was not declared in this scope
    9 |         cin>>a>>b>>c>>d;
      |                    ^
/in/foo.cc:9:23: error: 'd' was not declared in this scope
    9 |         cin>>a>>b>>c>>d;
      |                       ^