import sys

def II(): return int(sys.stdin.readline())
def LI(): return list(map(int, sys.stdin.readline().split()))

n = II()
x = 0
for _ in range(n):
    k, l, d = LI()
    p = 1 << d
    if k < 6:
        for i in range(k): x ^= l+p*i
    else:
        c2 = ((l+p*k) >> d)%4
        c1 = (k-c2)%4
        for i in range(c1): x ^= l+p*i
        for i in range(k-c2, k): x ^= l+p*i

print(x)