from random import *
def PR(n):
    nAccueil,n1,n2=0,0,0
    start=randint(0,2)
    if start==0:
        page="Accueil"
        nAccueil=1
    elif start==1:
        page="page 1"
        n1=1
    else:
        page="page 2"
        n2=1
    for i in range(1,n):
        if page=="Accueil":
            alea=randint(0,1)
            if alea==0:
                page="page 1"
                n1=n1+1
            else:
                page="page 2"
                n2=n2+1
        elif page=="page 1":
            page="Accueil"
            nAccueil=nAccueil+1
        else:
            alea=randint(0,1)
            if alea==0:
                page="Accueil"
                nAccueil=nAccueil+1
            else:
                page="page 1"
                n1=n1+1
    fAccueil,f1,f2=round(nAccueil/n,2),round(n1/n,2),round(n2/n,2)
    return fAccueil,f1,f2