#include <stdio.h>

#define N 8
#define K 4
#define REQ ((1 << K) - 1)

int main(void)
{
	unsigned int k[N];
	unsigned int i;
	unsigned long long total = 0;

	for (i = 0; i < N; i++)
		k[i] = 0;

	while (1) {
		i = N - 1;
		while (++k[i] >= K) {
			if (!i)
				goto out;
			k[i--] = 0;
		}
		{
			unsigned int seen = 0;
			for (i = 0; i < N; i++)
				seen |= 1 << k[i];
			if ((seen & REQ) != REQ)
				continue;
		}
		{
			unsigned long long n = 1;
			for (i = 0; i < N; i++) {
				unsigned int m;
				switch (k[i]) {
				case 0:
					m = 10;
					break;
				case 1:
					m = 26;
					break;
				case 2:
					m = 26;
					break;
				default:
					m = 33;
				}
				n *= m;
			}
			total += n;
		}
	}

out:
	printf("%llu\n", total);

	return 0;
}