import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################

n = ni()
c, x, y = zip(*[na() for i in range(n)])
z = [[] for i in range(n+1)]
for i in range(n):
    z[c[i]].append(i)

from heapq import *
hq = []
for i in range(n):
    heappush(hq, (x[i] - y[i], i))

f = [0] * n
ans = sum(x)
# print(hq, ans)
for i in range(n):
    for j in z[i]:
        f[j] = 1
    while hq and f[hq[0][1]]:
        heappop(hq)
    # print(f)
    if hq and hq[0][0] <= 0:
        v, j = heappop(hq)
        # print(v, j)
        ans -= v

print(ans)