import sys def S(): return sys.stdin.readline().rstrip() def I(): return int(sys.stdin.readline().rstrip()) def MI(): return map(int,sys.stdin.readline().rstrip().split()) def LI(): return list(map(int,sys.stdin.readline().rstrip().split())) def LS(): return list(sys.stdin.readline().rstrip().split()) n = I() ans = 0 for i in range(21): for j in range(i+1): for k in range(35): if i*5 + j*2 + k*3 == n: ans += 1 print(ans)