# max(g,b) <= r < g+b
from bisect import bisect_left as bl , bisect_right as br
from collections import Counter

n = int(input())
r = list(map(int,input().split()))
g = list(map(int,input().split()))
b = list(map(int,input().split()))

rs=sorted(tuple(Counter(r).items()))
gs=sorted(tuple(Counter(g).items()))
bs=sorted(tuple(Counter(b).items()))
rcnt = [0]
for i in range(len(rs)):
    rcnt.append(rcnt[-1]+rs[i][1])

rk = [0]+[i for i,j in rs]

ans=0
for i in range(len(gs)):
    for j in range(len(bs)):
        y=gs[i][0]+bs[j][0]
        x=max(gs[i][0],bs[j][0])
        if x >= y:
            continue
        
        xind,yind=bl(rk,x),bl(rk,y)
        xind=max(xind-1,0)
        yind=max(yind-1,0)
        
        t1=rcnt[yind]-rcnt[xind]
        ans += t1*gs[i][1]*bs[j][1]
        
print(ans)