im=[3, 45, 9, 8, 12, 89, 103, 42, 54, 79]
ss=input()
for c in im:
if c == int(ss):
break
else:
print(c)

im=[3, 45, 9, 8, 12, 89, 103, 42, 54, 79]
ss=input()
for c in im:
if c == int(ss):
break
else:
print(c)