394A - Counting Sticks - CodeForces Solution

a,b = input().split("=")
c,d = a.split("+")

diff = (len(c + d) - len(b))

if  diff == 0:
    pass
elif diff == 2:
    if len(c) > 1:
        c = c[1:]
    elif len(d) > 1:
        d = d[1:]
    else:
        print("Impossible")
        exit()
    b += "|"
elif diff == -2:
    if len(b) > 1:
        b = b[1:]
    else:
        print("Impossible")
        exit()
    c += "|"
else:
    print("Impossible")
    exit()

print(f"{c}+{d}={b}")