Valmiki Ramayana Kishkindha Kanda Sarga 4 Shloka 34
Original Shlokaभिक्षुरूपं परित्यज्य वानरं रूपमास्थितः। पृष्ठमारोप्य तौ वीरौ जगाम कपिकुञ्जरः4.4.34।।
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कपिकुञ्जरः elephantlike monkey, भिक्षुरूपम् form of a mendicant, परित्यज्य gave up, वानरम् monkeys, रूपम् form, आस्थितः assumed, तौ both, वीरौ heroes, पृष्ठम् on the back, आरोप्य lifted, जगाम proceeded.
Hanuman, who was an elephant among monkeys, gave up the guise of a mendicant, and assuming the form of the monkeys, lifted both the heroes on to his back and proceeded.