Gazprom_N5_my_sol_v1

n = int(input())
team_name = {}
team_win = {}

for i in range(n):
    a = input().split() #после input - забыл скобки ()
    team = a[0] + a[1] + a[2]
    if team not in team_name.keys():
        team_name[team] = a
    if team not in team_name.keys():
        team_name[team] = a
    if team not in team_name.keys():
        team_win[team] = 1
    else:
        team_win[team] += 1

res = []
for team in team_name.keys():
    item = []
    item.append(0)
    item.append(0)
    item[1] = team_win[team]
    item[2] = team_name[team]
    res.append(item)

res = sorted(res)
winner = res[len(res) - 1]

winner_name = sorted(winner[1])
print(winner_name, ":", winner[0])