#include <bits/stdc++.h>


using namespace std;

string intTstr(long long from_)             /// From INT to STR
{
    string ans;
    string source;
    while(from_)
    {
        source.push_back(from_%10+'0');
        from_ /= 10;
    }

    for(int i=source.length()-1; i>-1; --i)
    {
        ans.push_back(source[i]);
    }
    return ans;
}

int arr[105];
int res[1000005];
string ans[1000005];

int main()
{
    int n;
    cin >> n;

    for(int i=0; i<n; ++i)
    {
        cin >> arr[i];
    }

    int sum;
    cin >> sum;

    for(int i=0; i<n; ++i)          /// REPEAT EVERY DENOM. WHILE denom <= sum
    {
        int denom = arr[i];
        int j = 1;
        while(denom <= sum)
        {
            if(res[denom])
            {
                if(res[denom] > j)
                {
                    res[denom] = j;
                    ans[denom] = ans[denom-arr[i]] + intTstr(arr[i]);
                }
            }
            else
            {
                res[denom] = j;
                ans[denom] = intTstr(arr[i]);
            }
            denom += arr[i];
        }
    }

    for(int i=0; i<n; ++i)             /// COUNT EVERY SUM
    {
        for(int j=sum; j>0; --j)
        {
            if(res[j])
            {
                if(res[j+arr[i]])
                {
                    if(res[j+arr[i]] < res[j]+res[arr[i]])
                    {
                        continue;
                    }
                    else
                    {
                        res[j+arr[i]] = res[j] + res[arr[i]];
                        ans[j+arr[i]] = ans[j] + ans[arr[i]];
                    }
                }
                else
                {
                    res[j+arr[i]] = res[j] + res[arr[i]];
                    ans[j+arr[i]] = ans[j] + ans[arr[i]];
                }
            }
            else
            {
                continue;
            }
        }
    }
    if(res[sum])
    {
        string result = ans[sum];
        for(int i=0; i<result.length(); ++i)
        {
            cout << result[i];
        }
    }
    else
    {
        cout << "No solution";
    }
   return 0;
}
/* THIS CODE WITHOUT SPACES IN ANSWER, BECAUSE I DELETED THEM AND TRIED TO FIND MISTAKES */