HDU 1085

#include<stdio.h>
#include<string.h>
#include<math.h>
#include<iostream>
#include<algorithm>
#include<queue>
#include<stack>
#define mem(a,b) memset(a,b,sizeof(a))
#define ll __int64
#define MAXN 1000
#define INF 0x7ffffff
#define lson l,m,rt<<1
#define rson m+1,r,rt<<1|1
int num[10000];
using namespace std;
int main()
{
    int n1,n2,n5;
    int i,j,flag,ans;
    while(scanf("%d%d%d",&n1,&n2,&n5)!=EOF)
    {
        if(n1==0&&n2==0&&n5==0) break;
        mem(num,-1);
        num[0]=0;
        flag=0;
        ans=0;
        int m=n1+n2*2+n5*5;  //最大8000
        int cnt=n1+n2+n5;   //最大3000
        while(cnt--)
        {
            if(n1)     {flag=1;n1--;}
            else if(n2){flag=2;n2--;}
            else if(n5){flag=5;n5--;}

            for(i=m;i>=0;i--)
            {
                if(num[i]==0)
                {
                  num[i+flag]=0;
                }
            }
        }
        for(i=0;i<=100000;i++)
        {
            //cout<<i<<"  "<<num[i]<<endl;
            if(num[i]==-1)
            {
                ans=i;break;
            }
        }
        cout<<ans<<endl;
    }
    return 0;
}