#include<bits/stdc++.h>
using namespace std;
int f[1001],a[7],ans=0;
int main(){
    freopen("fmcz.in","r",stdin);
	freopen("fmcz.out","w",stdout);
    for(int i=1;i<=6;i++)cin>>a[i];
	for(int i1=0;i1<=a[1];i1++)
		for(int i2=0;i2<=a[2];i2++)
			for(int i3=0;i3<=a[3];i3++)
		        for(int i4=0;i4<=a[4];i4++)
				    for(int i5=0;i5<=a[5];i5++)
		                for(int i6=0;i6<=a[6];i6++)
							f[i1*1+i2*2+i3*3+i4*5+i5*10+i6*20]=1;
	for(int i=1;i<=1000;i++)
		if(f[i]==1)ans+=1;
	cout<<ans;
	return 0;
}