iiitv/ChefLib

# made by DipanshKhandelwal
# this is a python3 file


def main():
    N = int(input())
    for _ in range(N):
        maxfreq = 0
        presentfreq = 0
        present = '='
        string = input()
        for i in string:
            if i == '>' or i == '<':
                if i == present:
                    presentfreq += 1
                else:
                    present = i
                    presentfreq = 1
            if presentfreq > maxfreq:
                maxfreq = presentfreq
        print(maxfreq+1)


if __name__ == '__main__':
    main()