#256 (Div. 2)A. Rewards

题意：三种奖杯各ai个，三种奖牌各bi个，给出N个柜子，每个柜子不能同时放奖杯奖牌，不能放大于5个奖杯，10个奖牌

思路：水

#include<bits/stdc++.h>
using namespace std;

int main(){
    int x;
    int sum=0,sum1=0,s,s1,n;
    for(int i=1;i<=3;i++){
        cin>>x;
        sum+=x;
    }
    for(int i=1;i<=3;i++){
        cin>>x;
        sum1+=x;
    }
    if(sum%5==0) s=sum/5;
    else s=sum/5+1;
    if(sum1%10==0) s1=sum1/10;
    else s1=sum1/10+1;
    cin>>n;
    if(s+s1<=n){
        cout<<"YES"<<endl;
    }
    else cout<<"NO"<<endl;
}