m, d, total = [int(v) for v in input().split(" ")]
first = m + 10 * d
c_list = [ i + (total-i) * 10 for i in range(total+1)]

print(first,c_list)
ans = "Impossible"

for i in c_list:
    if first > i:
        ans = first - i
        break
print(ans)