백준 2581번(python)

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M = int(input())
N = int(input())
def is_prime(num):
    if(num <= 1):
        return False
    
    i = 2
    while i * i <= num:
        if num % i == 0:
            return False
        
        i += 1
    return True

sum = 0
minv = 0

for i in range(M, N + 1):
    if(is_prime(i)):
        sum += i
        if(minv == 0 or minv > i):
            minv = i
        
if(sum == 0):
    print(-1)
else:
    print(sum)
    print(minv)