m1=[2,0,4,8,3]
m2=[2,5,4,4,1]
m3=[0,1,5,10,7]
m4=[4,9,0,3,2]

x0= 8

for a in range(0,100):
    for b in range(0,100):
        x1= x0*a+b
        x2= x0*a**2+a*b+b
        x3= x0*a**3+a**2*b+a*b+b
        x4= x0*a**4+a**3*b+a**2*b+a*b+b
        x5= x0*a**5+a**4*b+a**3*b+a**2*b+a*b+b
        if x1%11 == m1[0] and x2%11 == m1[1] and x3%11 == m1[2] and x4%11 == m1[3] and x5%11 == m1[4]:
            print(1)

        if x1%11 == m2[0] and x2%11 == m2[1] and x3%11 == m2[2] and x4%11 == m2[3] and x5%11 == m2[4]:
            print(2)

        if x1%11 == m3[0] and x2%11 == m3[1] and x3%11 == m3[2] and x4%11 == m3[3] and x5%11 == m3[4]:
            print(3)

        if x1%11 == m4[0] and x2%11 == m4[1] and x3%11 == m4[2] and x4%11 == m4[3] and x5%11 == m4[4]:
            print(4)