 Complete the following phrase:  On 12 June 1991, Yeltsin won 57 of the popular vote in the democratic presidential elections for the Russian republic, defeating Gorbachevs preferred candidate, Nikolai Ryzhkov, who got just 16 of the vote, and four other candidates. In his election campaign, Yeltsin criticized the dictatorship of the center, but did not suggest the introduction of a market economy. Instead, he said that he would put his head on the railtrack in the event of increased prices. Yeltsin took office on 10 July, and reappointed Ivan Silayev as Chairman of the Council of Ministers of the Russian SFSR. On 18 August 1991, a 