program main
  implicit none
  integer::T,A,B,i
  integer::maxab,up
  read *,T,A,B
  maxab = MAX(A,B)
  if(T.lt.maxab) then
     print '(a)', "NO"
     return
  else if(A.eq.0.and.B.eq.0) then
     if(T.eq.1) then
        print '(a)', "NO"
     else if(MOD(T,2).eq.0) then
        print '(a)', "YES"
        do i=1,T/2
           print '(a)',">"
           print '(a)',"<"
        end do
     else
        print '(a)', "YES"
        do i=1,(T-3)/2
           print '(a)',">"
           print '(a)',"<"
        end do
        print '(a)',">"
        print '(a)',"^"
        print '(a)',"<v"
     end if
     return
  else if(T.eq.maxab) then
     print '(a)', "YES"
     do i=1,maxab
        if(A.gt.0) write(*,'(a)',advance='no') "^"
        if(B.gt.0) write(*,'(a)',advance='no') ">"
        print *,
        A = A - 1
        B = B - 1
     end do
     return
  else if(MOD(T,2).eq.MOD(maxab,2)) then
     print '(a)', "YES"
     do i=1,maxab
        if(A.gt.0) write(*,'(a)',advance='no') "^"
        if(B.gt.0) write(*,'(a)',advance='no') ">"
        print *,
        A = A - 1
        B = B - 1
     end do
     do i=1,(T-maxab)/2
        print '(a)', ">"
        print '(a)', "<"
     end do
     return
  else
     print '(a)', "YES"
     if(A.gt.B) then
        A = A - 1
        up = 1
     else
        B = B - 1
        up = 0
     endif
     maxab = MAX(A,B)
     do i=1,maxab
        if(A.gt.0) write(*,'(a)',advance='no') "^"
        if(B.gt.0) write(*,'(a)',advance='no') ">"
        print *,
        A = A - 1
        B = B - 1
     end do

     do i=1,(T-1-maxab)/2
        print '(a)', ">"
        print '(a)', "<"
     end do

     if(up.eq.1) then
        print '(a)', ">"
        print '(a)', "<^"
     else
        print '(a)', "^"
        print '(a)', "v>"
     endif
     return
  end if
end program main