local str = io.read() local n = #str local t = {} for i = 1, n do t[i] = tonumber(str:sub(n + 1 - i, n + 1 - i)) end local ret = true for i = 1, n - 1 do if 2 <= t[i] and t[i] <= 4 then t[i + 1] = t[i + 1] - 1 else ret = false break end end if ret then if t[n] == 0 or t[n] == 6 or t[n] == 7 then else ret = false end end print(ret and "Yes" or "No")