import fileinput

text = ''.join(i.strip() for i in [*fileinput.input()])
text = text.replace(' ', '')

nchunks = len(text)//5
res = text
ch = [res[i*5:(i+1)*5] for i in range(int(nchunks))]
ch = [i[1:] for i in ch]
ch = [(i[:2], i[2:]) for i in ch]
ch = [(chr(int(x)+30), chr(int(y)+30)) for (x, y) in ch]

print(''.join(''.join(l) for l in ch))