t = int(input())
for i in range(t):
    s =['l','e','a','d','i','n','g','u','n','i','v','e','r','s','i','t','y']
    s.sort()
    x = input()
    li=[]
    y = len(x)
    for i in range(y):
        li.append(x[i])
    li.sort()
    if li==s:
        print("Leading University")
    else:
        print("Impossible")