n = int(input())
v = [10,20,50,100]
f = [[0 for _ in range(n+1)] for _ in range(4)]
for i in range(4):
for j in range(n+1):
if i == 0 and j % v[i] ==0:
f[i][j] = 1
else:
f[i][j] = f[i-1][j]
if j >= v[i]:
k = j - v[i]
while k>= 0 :
f[i][j] += f[i-1][k]
k -= v[i]
print(f[3][n])