/*
TASK:NUMBER
LANG:C
*/

#include <stdio.h>

int n, m, d1, d2, d3;
long long a, b, c, d, e;
int i, j, k;

int main()
{

scanf ( "%d%d%d%d", &n, &d1, &d2, &d3 );

a = 1;
for ( i = 1; i < n; i++ ) a*= 10;

b = d = pow10(n);
for ( ; a <= b; a++ )
    {
    j = 0;
    for ( c = 1; c <= d; c*=10 )
        {
        e = (a/c)%100;
        if (e) if ( !(e%d1) || !(e%d2) || !(e%d3) ) j++;
        }
    if ( j == n - 1 ) m++;
    }

printf ( "%d\n", m );

return 0;
}

