Prezident

f = open('input.txt', 'r', encoding='utf8')
ans = open('output.txt', 'w', encoding='utf8')
res = {}
for line in f.readlines():
    line = line.rstrip()
    if res.get(line) is not None:
        res[line] += 1
    else:
        res[line] = 1
result = []
for key in res.keys():
    result.append([res[key], key])
result = sorted(result, reverse=True)
allsum = 0
for i in range(len(result)):
    allsum += result[i][0]
if result[0][0] * 2 > allsum:
    ans.write(result[0][1])
else:
    ans.write(result[0][1] + "\n")
    ans.write(result[1][1])
ans.close()