숙제

def f(x) :

c=0

for i in range(2,x,1) :

if n%2==0 :

break

c=1

return c

v=1000000

o=0

n = int(input())

m = int(input())

for i in range(n+1,m+1) :

if f(i)==1 :

if i<v :

v=i

o=o+i

print(o)

print(v)