1352 КЕГЭ

f = open('24_1352.txt')

a = list()
buff = ''
s = f.read()
sl = s.split()



p = list()
for el in sl:
    for i in range(len(el)):
        if el[i] in 'XYZ':
            buff += el[i]
        else:
            if len(buff) != 0:
                a.append(buff)
                buff = ''

    a.append(buff)


mc = 0


mxs = ''

for el in a:
    for q in range(3):
        c = 0
        buff = ''

        for i in range(q, len(el), 3):
            if i + 2 > len(el) - 1:
                c += 1
                break
            if el[i] == 'X' and el[i + 1] == 'Y' and el[i + 2] == 'Z':
                if i != q and c == 0:
                    c = 1
                    buff = el[i]

                buff += 'XYZ'
                c += 3
            else:
                c += 1
                buff += el[i]

                if c > mc:
                    mxs = buff
                    buff = ''
                    mc = c

                c = 1
                buff = el[i]

        if c > mc:
            mxs = buff
            buff = ''
            mc = c

print(mc, mxs)