#!/usr/bin/env python3
# %%
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines


# %%
B, C, D, N, *E = map(int, read().split())

# %%
E.sort()
B, C, D = sorted([B, C, D])

# %%
dp = [1, 0, 0, 0]
for x in E:
    newdp = dp[:]
    if x >= B:
        newdp[1] += dp[0]
    else:
        newdp[0] += dp[0]
    if x >= C:
        newdp[2] += dp[1]
    else:
        newdp[1] += dp[1]
    if x >= C:
        newdp[3] += dp[2]
    else:
        newdp[2] += dp[2]
    newdp[3] += dp[3]
    dp = newdp


# %%
print(dp[3])