a, b, c = io.read():match("(%d+) (%d+) (%g)")
a, b = tonumber(a), tonumber(b)
function ans(v)
  print(v and "YES" or "NO")
end
if c == "<" then
  ans(a < b)
elseif c == "=" then
  ans(a == b)
else
  ans(a > b)
end