Valmiki Ramayana Aranya Kanda Sarga 11 Shloka 70
Original Shlokaउपास्य पश्चिमां सन्ध्यां सह भ्रात्रा यथाविधि। प्रविवेशाऽश्रमपदं तमृषिं सोऽभ्यवादयत्।।3.11.70।।
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सः that Rama, सह भ्रात्रा with his brother, यथाविधि as per rule, पश्चिमाम् western, सन्ध्याम् at twilight, उपास्य offered oblations, आश्रमपदम् to the hermitage, विवेश entered, तम् that, ऋषिम् to the sage, अभ्यवादयत् greeted with folded palms.
Rama with his brother Lakshmana duly offered oblations at twilight, entered the hermitage and greeted the sage (Sudarsana) with folded palms.