def solve(n, a, s):
    a = a + a
    t = []
    for i in range(2 * n - 1):
        if a[i] < a[i + 1]:
            t.append('<')
        else:
            t.append('>')
    t = ''.join(t)
    return t.find(s)

n = int(input())
a = list(map(int,input().split()))
s = input()

print(solve(n, a, s))