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

int T,n,m;

void solve()
{
    cin>>n>>m;
    vector<int> a(n+1);
    for(int i=1;i<=n;i++) cin>>a[i];
    
    if(n==m)
    {
        cout<<"Richman\n";
        return ;
    }
    
    int cnt=0;
    for(int i=1;i<=n;i++)
    {
        if(!a[i]) cnt++;
    }
    
    if(cnt>m)
    {
        cout<<"Impossible\n";
        return ;
    }
    
    m-=cnt;
    int res=0;
    for(int i=1;i<=n;i++)
    {
        if(m==0)
        {
            int t=1e18;
            for(int j=i;j<=n;j++) t=min(a[j],t);
            res+=t-1;
            break;
        }
        
        res+=a[i];
        m--;
    }
    
    cout<<res<<endl;
}

signed main()
{
    cin>>T;
    
    while(T--)
        solve();
        
    return 0;
}