loop do
  n,m=gets.split.map(&:to_i)
  break if n==0
  px,py,cnt=0,0,0
  arr=Array.new()
  n.times do 
    arr<<gets.chomp.split("")
  end
  loop do
    case arr[py][px]
    when "<" then px-=1
    when ">" then px+=1
    when "^" then py-=1
    when "v" then py+=1
    else break
    end
    cnt+=1
    break if cnt>n*m
  end
  puts cnt>n*m ? "LOOP": "#{px} #{py}"
end