/in/foo.c: In function 'main':
/in/foo.c:15:9: warning: unused variable 'result' [-Wunused-variable]
   15 |     int result=Y(i,n);
      |         ^~~~~~
/in/foo.c:15:16: warning: 'i' is used uninitialized [-Wuninitialized]
   15 |     int result=Y(i,n);
      |                ^~~~~~
/in/foo.c:13:15: note: 'i' was declared here
   13 |         int n,i;
      |               ^