#include <bits/stdc++.h>

int ri() {
	int n;
	scanf("%d", &n);
	return n;
}

int main() {
	int64_t n;
	scanf("%" SCNd64, &n);
	
	std::vector<int> a;
	for (int64_t m = n; m; m /= 5) a.push_back(m % 5);
	for (int i = 0; i < (int) a.size(); i++) if (a[i] >= 3) {
		a[i] -= 5;
		if (i + 1 < (int) a.size()) a[i + 1]++;
		else a.push_back(1);
	}
	std::reverse(a.begin(), a.end());
	int m = a.size();
	int64_t dp[m + 1][6 * m][2][2]; // 
	memset(dp, 0, sizeof(dp));
	dp[0][3 * m][1][0] = 1;
	for (int i = 0; i < m; i++) {
		for (int j = 0; j < 6 * m; j++) {
			for (int k = 0; k < 2; k++) {
				for (int l = 0; l < 2; l++) {
					if (!dp[i][j][k][l]) continue;
					for (int m = l ? -2 : 0; m <= (k ? a[i] : 2); m++) {
						dp[i + 1][j + m][k && m == a[i]][l || m] += dp[i][j][k][l];
					}
				}
			}
		}
	}
	printf("%" PRId64 "\n", dp[m][3 * m][0][1] + dp[m][3 * m][1][1]);
	
	return 0;
}