fin = open('input.txt')
n = int(fin.readline())
cords = [[0 for y in range(0, n)]for x in range(0, n)]

for t in range(0, n-1):
    a, b = [int(o) for o in fin.readline().split()]
    y = cords[a-1]
    y[b-1] = 1
    x = cords[b-1]
    x[a-1] = 1

maxSum = 0
cityIndex = 0

for x in range(0, n - 1):
    sum = 0
    for y in cords[x]:
        sum += y
    if sum > maxSum:
        cityIndex = x
        maxSum = sum

fout = open('output.txt', 'w')
print(maxSum, cityIndex + 1, file=fout)