/in/foo.c: In function 'main':
/in/foo.c:13:11: warning: too many arguments for format [-Wformat-extra-args]
    printf("Yes",a);
           ^~~~~
/in/foo.c:15:11: warning: too many arguments for format [-Wformat-extra-args]
    printf("No",a);
           ^~~~
/in/foo.c:4:8: warning: unused variable 'b' [-Wunused-variable]
  int a,b,c,d=0;
        ^