import sys


def input():
    return sys.stdin.readline().strip()


def main():
    s = input()
    z = []
    noneq = []
    for c in s:
        if (
            c == ">"
            and len(z) > 0
            and z[-1] == "="
            and len(noneq) > 0
            and noneq[-1] == "<"
        ):
            while z[-1] == "=":
                z.pop()
            z.pop()
            noneq.pop()
        else:
            z.append(c)
            if c != "=":
                noneq.append(c)
        print("".join(z))


if __name__ == "__main__":
    main()