import sys
input = sys.stdin.readline

N = int(input())
maxPrice = 0

for _ in range(N) :
    a, b, c = map(int, input().split())
    temp = 0
    
    if a == b == c :
        temp = 10000 + a*1000
    elif a == b or b == c :
        temp = 1000 + b*100
    elif a == c :
        temp = 1000 + a*100
    else :
        temp = max([a,b,c])*100
    
    if maxPrice < temp :
        maxPrice = temp

print(maxPrice)