Valmiki Ramayana Sundara Kanda Sarga 38 Shloka 52
Original Shlokaतावुभौ पुरुषव्याघ्रौ राजपुत्रौ महाबलौ। त्वद्दर्शनकृतोत्साहौ लङ्कां भस्मीकरिष्यतः।।5.38.52।।
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पुरुषव्याघ्रौ two tigers among men, महाबलौ mighty, त्वद्दर्शनकृतोत्साहौ eager to see you, उभौ both, तौ राजपुत्रौ those two princes, लङ्काम् this Lanka, भस्मीकरिष्यतः will reduce to ashes.
"Both the mighty brothers, tigers among men, are eager to see you. Both the princes will reduce this Lanka into ashes.