KöMaL 2024 K834

In the addition $\textrm{I}\textrm{T}+\textrm{I}\textrm{T}+\textrm{I}\textrm{T}=\textrm{D}\textrm{I}\textrm{D}$ different letters stand for different numbers, the same letters stand for the same numbers. Find the numerical value of the addends and the result.