By Darya Korsunskaya, Guy Faulconbridge and Gleb Stolyarov MOSCOW (Reuters) -President Vladimir Putin has grown increasingly concerned about distortions in Russia's wartime economy, just as Donald Trump pushes for an end to the Ukraine conflict,

Putin has said repeatedly that he is prepared to negotiate an end to the war, which first began in 2014, but that Ukraine would have to accept the reality of Russian territorial gains, which are currently about 20% of its land. He also refuses to accept Ukraine joining Nato, the military alliance of Western countries.

President Vladimir V. Putin of Russia praised President Trump’s second inauguration, but the American leader did not return the compliment.