def __main__():
    let ordering = list()
    ordering.append(0)
    ordering.append(4) # 1 -> 4
    ordering.append(10)# 2 -> 10
    ordering.append(8) # 3 -> 8
    ordering.append(7) # 4 -> 7
    ordering.append(3) # 5 -> 3
    ordering.append(2) # 6 -> 2
    ordering.append(6) # 7 -> 6
    ordering.append(9) # 8 -> 9
    ordering.append(1) # 9 -> 1
    ordering.extend(range(11,1000001))
    ordering.append(5) # 1,000,000 -> 5
    print("Done, ordering is", len(ordering))

    print("Starting loop...")
    #__builtins__.set_tracing("tracing=1")

    let m0 = 5
    let nx = 0
    let px = 0
    for i in range(0,10000000):
        let m1 = ordering[m0]
        let m2 = ordering[m1]
        let m3 = ordering[m2]
        ordering[m0] = ordering[m3]
        nx = ((m0 + 999998) % 1000000) + 1
        while (nx == m1) or (nx == m2) or (nx == m3):
            nx = ((nx + 999998) % 1000000) + 1
        px = ordering[nx]
        ordering[nx] = m1
        ordering[m3] = px
        m0 = ordering[m0]

    print(ordering[1]*ordering[ordering[1]])

__main__()