#include<bits/stdc++.h>
#define int long long
using namespace std;
signed main(){
	//ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	//freopen("quick.in","r",stdin);
	//freopen("quick.out","w",stdout);
	int a,b,c,d;
	cin>>a>>b>>c>>d;
	int x,y,z;
	cin>>x>>y>>z;
	int p=min(min(a,b),min(c,d))+min(min(x,y),z);
	cout<<p;
	return 0;
}

#include <bits/stdc++.h> using namespace std; int main() { if (fopen("quick.in", "r")) { freopen("quick.in", "r", stdin); freopen("quick.out", "w", stdout); } int a[4], b[3]; for (int i = 0; i < 4; i++) cin >> a[i]; for (int i = 0; i < 3; i++) cin >> b[i]; cout << *min_element(a, a + 4) + *min_element(b, b + 3) << "\n"; return 0; }