file = open('11A.txt')
A = list(map(int, file.readlines()))
Min = 10**9
for i in range(len(A)):
    for j in range(i + 1, len(A)):
        if (A[i] * A[j]) % 31 == 0:
            Min = min(Min, A[i] * A[j])
print(Min)

file = open('11B.txt')
A = list(map(int, file.readlines()))
a = []
a31 = []
for i in range(len(A)):
    if A[i] % 31 == 0:
        a31 += [A[i]]
    else:
        a += [A[i]]
a.sort()
a31.sort()
print(min(a[0] * a31[0], a31[0] * a[1]))