#include<stdio.h>
#define min(a,b) ((a)<(b)?(a):(b))


long long int nr,n1,n2,n3,i,j,k,n,l,sum;
long long int x;

int main(){
freopen("plus.in","r",stdin);
freopen("plus.out","w",stdout);
scanf("%lld",&sum);
for(i=1;i<=3;i++){
scanf("%lld %lld",&n,&x);
if(x==1)
	n1+=n;
else
if(x==0)
	n2+=n;
else
if(x==-1)
	n3+=n;
}
for(i=n1;i>=sum;i--)
if(i-n3<=sum)nr+=n2+1;

printf("%lld",nr);
return 0;}