integer a,b
character(5),allocatable,dimension(:,:)::S
read*,a,b
allocate(S(a,b))
do i=1,a
  read*,S(i,:)
end do
do i=1,a
  do j=1,b
   if(S(i,j)=="snuke")then
     print"(A,i0)",char(ichar(A)-1+j),i
     stop
   endif
  end do
end do
end