def PowMod(a, n, m):
    if n == 1:
        return a
    elif n%2 == 0 :
        return PowMod(a*a%m, n/2, m)
    else :
        return a*PowMod(a, n-1, m)

m = int(input())
print(PowMod(2, 128, m))