def x1(x, left, right):
    if x[1] == 2006:
        return left
    elif x[1] == 2003:
        return right


def x2(x, left, mid, right):
    if x[2] == 2010:
        return left
    elif x[2] == 1982:
        return mid
    elif x[2] == 1972:
        return right


def x3(x, left, mid, right):
    if x[3] == "REXX":
        return left
    elif x[3] == "SVG":
        return mid
    elif x[3] == "SQL":
        return right


def x0(x, left, right):
    if x[0] == "OPA":
        return left
    elif x[0] == "HLSL":
        return right


def main(x):
    return x2(x, x1(x, x3(x, 0, 1, 2), 3), x3(x, x1(x, 4, 5), x0(x, 6, 7), x1(8, 9)), 10)