It wasnarrated that Abu Sa'eed said:
"A man entered the mosque whentheProphet (ﷺ) was delivering the sermon. He said: 'Have youprayed?' He said: 'No.' He said: 'Then pray two Rak'ah.'" (RU)
English reference (RU): Vol. 1, Book 5, Hadith 1113 (RU)
Arabic reference (RU): Book 5, Hadith 1167 (RU)