#include<iostream>
#include<string>
#include<vector>
using namespace std;
int adj[105][105];
int dp[100005];
int pack(int i)
{
      memset(dp,0,sizeof dp);
      int sum=0,k,j;
      for(k=1; k<=adj[i][0]; k++)
               sum+=adj[i][k];
      int v=sum/2;
      for(k=1; k<=adj[i][0]; k++)
      for(j=v; j>=adj[i][k]; j--)
      {
               if(dp[j]<dp[j-adj[i][k]]+adj[i][k])
                   dp[j]=dp[j-adj[i][k]]+adj[i][k];
      }
      
      return sum-dp[sum/2];
}

int main()
{
    int m,n,j,i,value;
    string str;
    while(cin>>m>>n,n||m)
    {
        memset(adj,0,sizeof adj);
        vector<string> vec;
        for(i=1;i<=m; i++ )
               {
                      cin>>str;
                      vec.push_back(str);
               } 
                     
        for(i=1; i<=n; i++)
        {
               cin>> value>>str;
               for(j=0; j<vec.size(); j++)
               {
                        if(str==vec[j])
                        {
                            adj[j][0]++;
                            adj[j][adj[j][0]]=value;
                        }
               } 
        }
        
        int ans=0;
        for(i=0; i<vec.size(); i++)
                 ans+=pack(i);
        cout<<ans<<endl;
                    
    }
    
    system("pause");
    return 0;
}