#include <bits/stdc++.h>
#define rep(x, l, r) for(int x = l; x <= r; x++)
#define repd(x, r, l) for(int x = r; x >= l; x--)
using namespace std;
typedef unsigned long long ull;

const int MAXN = 505;
const int MAXM = 2e4 + 5;
int a[MAXN][MAXM];
ull h[MAXN];
char st[MAXM];

int main(){
	int n, m;
	scanf("%d%d", &n, &m);
	rep(i, 1, n){
		scanf("%s", st);
		int len = strlen(st);
		repd(j, len, 1){
			a[i][j] += st[j - 1] - '0';
			if(j > m){
				a[i][j - m] += a[i][j];
				a[i][j] = 0;
			}
		}
		repd(j, m, 1){
			h[i] = h[i] * 10 + a[i][j];
		}
	}
	ull c = 0;
	rep(i, 1, m){
		c = c * 10 + 9;
	}
	ull d = 2 * c;
	int ans = 0;
	rep(i, 1, n)
		rep(j, i, n)
			rep(k, j, n){
				if(h[i] + h[j] + h[k] == 0 || h[i] + h[j] + h[k] == c || h[i] + h[j] + h[k] == d) ans++;
			}
	printf("%d\n", ans);
	return 0;
}