Codeforces_448A

//Codeforces 448A
#include <iostream>
using namespace std;
int main()
{
    int n, a, asum=0, b, bsum=0, s=0;
    for(int i=0;i<3;i++)
    {
        cin >> a;
        asum+=a;
    }
    for(int i=0;i<3;i++)
    {
        cin >> b;
        bsum+=b;
    }
    cin >> n;
    while(asum>0)
    {
        asum-=5;
        s++;
    }
    while(bsum>0)
    {
        bsum-=10;
        s++;
    }
    if(s<=n){cout << "YES";}
    else{cout << "NO";}
    return 0;
}