Не могу сделать 27 задание ЕГЭ по информатике

with open("Файл","r") as f:
    n = int(f.readline())
    s = 0
    min_raz = 20001
    min_raz1 = 20001
    min_raz2 = 20001
    min_raz3 = 20001
    print(n)
    for i in range(n):
        x, y, z = map(int, f.readline().split())
        s = s+max(x, y, z)
        raz1 = abs(x - y)
        raz2 = abs(x - z)
        raz3 = abs(y - z)
        if raz1 % 109 != 0:
            min_raz1 = min(raz1, min_raz)
        if raz2 % 109 != 0:
            min_raz2 = min(raz2, min_raz)
        if raz3 % 109 != 0:
            min_raz3 = min(raz3, min_raz)
        min_raz = min(min_raz1, min_raz2, min_raz3)
    print(min_raz)
    if s % 109 != 0:
        print(s)
    else:
        print(s - min_raz)
        print(s)

with open("27_B.txt") as f:
    n = int(f.readline())
    s = 0
    min_diff = 20001
    print(n)
    for i in range(n):
        x = sorted(list(map(int, f.readline().split())))
        s = s+x[2]
        diff1 = x[2] - x[1]
        diff2 = x[2] - x[0]
        min_diff = min(min_diff, (diff1 if diff1%109 else 20001), (diff2 if diff2%109 else 20001))
    print(min_diff)
    if s % 109 != 0:
        print(s)
    else:
        print(s - min_diff) # 8819088760
        print(s)

x0, x1, x2 = sorted(map(int, f.readline().split()))