#problem2.py
infile=open("DATA2.txt","r").read().split("\n")
outfile=open("OUT2.txt","w")
def d(x):
    if x%2==0:
        return 2**(x/2)
    else:
        return 2**(x/2)+1
for i in range(5):
    t=infile[i]
    outfile.write(str(d(int(t)))+"\n")