C++ :

#include <cstdio>
#include <cstdlib>
int n;
int dist(int a,int b){
    int d=abs(a-b);
    if(n-d<d)d=n-d;
    return d;
}
int main(){
    if(scanf("%d",&n)!=1) return 0;
    int x,y,z,a,b,c;
    scanf("%d %d %d",&x,&y,&z);
    scanf("%d %d %d",&a,&b,&c);
    int cnt=0;
    for(int i=1;i<=n;i++)for(int j=1;j<=n;j++)for(int k=1;k<=n;k++){
        int ok1 = (dist(i,x)<=2&&dist(j,y)<=2&&dist(k,z)<=2);
        int ok2 = (dist(i,a)<=2&&dist(j,b)<=2&&dist(k,c)<=2);
        if(ok1||ok2)cnt++;
    }
    printf("%d\n",cnt);
    return 0;
}