import sys
input = sys.stdin.readline

N = int(input())
A = list(map(int, input().split()))
idx = [-1]*N

for i in range(N):
    idx[A[i]] = i

l, r = idx[0], idx[0]
ans = 0

for i in range(1, N):
    if l<idx[i]<r:
        continue
    
    if idx[i]>r:
        ans += i*(l+1)*(idx[i]-r)
        r = idx[i]
    else:
        ans += i*(l-idx[i])*(N-r)
        l = idx[i]

print(ans+N)