package main.java.yukicoder;
import java.util.Scanner;

public class B {
    public static void main(String[] args) {
        //System.out.println();
        Scanner scanner = new Scanner(System.in);
        
        int[] Val = new int[7];
        for(int i=0; i<7; i++) Val[i] = Integer.parseInt(scanner.next());   

        boolean f = false;
        for(int i=0; i<=Val[0]; i++) {
            for(int j=0; j<=Val[1]; j++) {
                for(int k=0; k<=Val[2]; k++) {
                    for(int l=0; l<=Val[3]; l++) {
                        for(int m=0; m<=Val[4]; m++) {
                            for(int n=0; n<=Val[5]; n++) {
                                if(i+j+k+l+m+n == Val[6]) f = true;
                            }
                        }
                    }
                }
            }
        }
        if(f) System.out.println("YES");
        else System.out.println("NO");

        scanner.close();
    }
}