In October 1987, at the Plenary Session of the National People's Congress, Deng was re-elected as Chairman of the Central Military Commission, but he resigned as Chairman of the Central Advisory Commission and was succeeded by Chen Yun. Deng continued to chair and develop the reform and opening up as the main policy, and he advanced the three steps suitable for China's economic development strategy within seventy years: the first step, to double the 1980 GNP and ensure that the people have enough food and clothing, was attained by the end of the 1980s; the second step, to quadruple the 1980 GNP by the end of the 20th century, was achieved in 1995 ahead of schedule; the third step, to increase per capita GNP to the level of the medium-developed countries by 2050, at which point, the Chinese people will be fairly well-off and modernization will be basically realized.