Valmiki Ramayana Sundara Kanda Sarga 63 Shloka 19

यत्र where, जाम्बवान् Jambavan, नेता is the leader, स्यात् remains, महाबलः strong, अङ्गदश्च Angada also, हनुमांश्च and Hanuman, अधिष्ठाता directing, तस्य that, गतिः will be done, अन्यथा otherwise, न not.

Where Jambavan, Angada and Hanuman are leaders directing the task of the army it must have been accomplished.