try:
    Name=[Blanche,Spark,Candela]
    Username=[MU678,MU075,MU747]
    Password=[Op3NS3s4M3,FCI12345,L48R47]
except :
    print ""
z=0
c=2
x=raw_input("Username: ")
y=raw_input("Password: ")
while (z<2):
    if (y==Password):
        print "Welcome " + Name-1
        break
    else:
        print "Invalid password, try again."
        c=c-z
        print "You have " + `c` + " amount of attempts left"
        y=input("Invalid password, try again: ")
        z+=1
if z>1:
    print "Login error"