from time import time

s = time()

n,m,t = map(int,input().split())

a = list(map(int,input().split()))

l = [0]*n

for i in range(m):
    l[a[i]-1] += 1

while s - time() < 1.9:
    if max(l) - min(l) > t:
        l[l.index(max(l))] -= 1
        l[l.index(min(l))] += t
    else:
        break

print(max(l))