[2581] 소수

import sys

M = int(sys.stdin.readline())
N = int(sys.stdin.readline())

arr = []

for i in range(M, N+1):
    temp = []
    for j in range(1, i+1):
        if i % j == 0:
            temp.append(j)
    if len(temp) == 2:
        arr.append(i)

if len(arr) == 0:
    print(-1)
else:
    print(sum(arr))
    print(arr[0])

2581 소수

M = int(input())
N = int(input())
prime = []
for i in range(M, N+1):
    if i != 1:
        check = True
        for j in range(2, i):
            if i % j == 0:
                check = False
                break
        if check:
            prime.append(i)
if len(prime) == 0:
    print(-1)
else:
    print(sum(prime))
    print(prime[0])

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