Task: Translation
Input (Indonesian): Jean Eyeghe Ndong mengatakan bahwa Bongo, pemimpin terlama dari sebuah negara Afrika ini, telah meninggal di klinik Quiron pada hari Senin, di usia 73 tahun.
Output (English): Jean Eyeghe Ndong said that Bongo, the longest-serving leader of an African country, had died at the Quiron clinic on Monday, at the age of 73.