defmodule Main do
    def main do
        [a, b, c] = IO.read(:line) |> String.trim() |> String.split(" ") |> Enum.map(&String.to_integer/1)
        solve(a, b, c) |> IO.puts()
    end
    
     def solve(a, b, c) when 0 <= a and b <= 100 and 0 <= c and c <= 200 do
        if a + b == c do
          "Correct"
        else
          "Incorrect"
        end
    end

    def solve(_a, _b, _c), do: "Incorrect"
end