def mini2(a,b):
    if a>b:
        return b
    else:
        return a

def mini4(a,b,c,d):
    e=mini2(a,b)
    f=mini2(c,d)
    return mini2(e,f)

def mini8(a,b,c,d,e,f,g,h):
    i=mini4(a,b,c,d)
    j=mini4(e,f,g,h)
    return mini2(i,j)