def main():
    import sys
    input = sys.stdin.read().split()
    ptr = 0
    N = int(input[ptr])
    ptr += 1
    result = 0
    for _ in range(N):
        K = int(input[ptr])
        L = int(input[ptr+1])
        D = int(input[ptr+2])
        ptr += 3
        m = D
        mask = (1 << m) - 1
        a_lower = L & mask
        x_lower = a_lower if K % 2 else 0
        a_upper = L >> m
        X = a_upper
        Y = X + K - 1

        def compute_xor(y):
            mod = y % 4
            if mod == 0:
                return y
            elif mod == 1:
                return 1
            elif mod == 2:
                return y + 1
            else:
                return 0

        fx = compute_xor(X - 1)
        fy = compute_xor(Y)
        xor_upper = fy ^ fx

        contrib = (xor_upper << m) | x_lower
        result ^= contrib
    print(result)

if __name__ == "__main__":
    main()