n = 10 ** 7
a = regint.Array(n)
b = regint.Array(n)

for i in range(n):
    if i > 1000:
        a[i] = i

    if i < 1000:
        b[i] = -1
    else:
        b[i] = 2 * i

def test(a, index, value):
    print_ln('expected %s got %s at %s', value, a[index], index)
    crash(a[index] != value)

test(a, 999, 0)
test(b, 999, -1)
test(a, 10000, 10000)
test(b, 10000, 20000)
test(a, 1000000, 1000000)
test(b, 1000000, 2000000)

a = 1
if True:
    if True:
        a = 2
    if True:
        a = 3
else:
    a = 4
    crash()