/*!enjoy karo yaar!*/

//CF,CC,AtC,SPOJ: hp1999
//HE: hemant269
//HR: hemant2132

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

/*-----<Defines>-----*/
#define     int             long long int
#define     fast()          ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define     all(x)          begin(x),end(x)
#define     rz(x)           resize(x)
#define     asn(x,y)        assign(x,y)
#define     mem(a,b)        memset(a,b,sizeof(a))
#define     sz(x)           ((int)size(x))
#define     eb              emplace_back
#define     pb              push_back
#define     pf              push_front
#define     pob             pop_back
#define     pof             pop_front
#define     ins             insert
#define     vi              vector<int>
#define     pii             pair<int,int>
#define     mii             map<int,int>
#define     F               first
#define     S               second
#define     remax(a,b)      a=max(a,b)
#define     remin(a,b)      a=min(a,b)
#define     bitcount(x)     __builtin_popcountll(x)
#define     iceil(n,x)      (((n)-1)/(x)+1)
#define     flush           fflush(stdout)

using ull=unsigned long long;
using ll=long long;
using ld=long double;
/*-----</Defines>-----*/

/*-----<Debugging Stuff>-----*/
string to_string(char s)
{   string res="'''";res[1]=s;return res; }

string to_string(string s)
{   return '"'+s+'"'; }

string to_string(const char* s)
{   return to_string((string)s); }

string to_string(bool b)
{   return (b?"true":"false"); }

template<typename A, typename B>
string to_string(pair<A, B> p)
{   return "("+to_string(p.F)+", "+to_string(p.S)+")"; }

template<typename A>
string to_string(A v)
{
    bool first=1; string res="{";
    for(const auto &x:v)
    {
        if(!first)  res+=", ";
        first=0;
        res+=to_string(x);
    }
    res+="}";
    return res;
}

void debug() { cout<<"\n"; }
template<typename Head, typename... Tail>
void debug(Head H, Tail... T)
{
    cout<<" "<<to_string(H);
    debug(T...);
}

#define show(...) cout << "[" << #__VA_ARGS__ << "]:", debug(__VA_ARGS__)
/*-----</Debugging Stuff>-----*/

/*-----<Mod Operations>-----*/
const int M=1e9+7;
inline int add(int a,int b,int p=M){ a=a+b; if(a>=p) a-=p; return a; }
inline int sub(int a,int b,int p=M){ a=a-b; if(a<0) a+=p; return a; }
inline int mul(int a,int b,int p=M){ a=(a*1ll*b)%p; return a; }
/*-----</Mod Operations>-----*/

/*-----<Constants>-----*/
const ld pi=acos(-1),eps=1e-9;
const ll inf=9e18;
const int N=1;
/*-----</Constants>-----*/

void solve()
{
    int n,k;
    cin>>n>>k;

    vi pv,nv;
    for(int i=0;i<n;++i)
    {
        int x;
        cin>>x;

        if(x>=0)
            pv.pb(x);
        else
            nv.pb(x);
    }

    if(n==k)
    {
        int ans=1;
        for(auto c:pv)
            ans=mul(ans,c);
        for(auto c:nv)
            ans=mul(ans,c);

        ans=add(ans,M);
        cout<<ans;
        return;
    }

    int one=sz(pv),two=sz(nv);
    sort(all(pv));reverse(all(pv));
    sort(all(nv));

    auto go=[&]()
    {
        int ans=1;

        int i=0,j=0;
        int a,b;
        int cur=0;
        while(cur<k)
        {
            if(i+1<one)
                a=pv[i]*pv[i+1];
            else
                a=-1;
            if(j+1<two)
                b=nv[j]*nv[j+1];
            else
                b=-1;

            if(a>b)
            {
                ans=mul(ans,a%M);
                i+=2;
            }
            else
            {
                ans=mul(ans,b%M);
                j+=2;
            }

            cur+=2;
        }

        return ans;
    };

    if(k%2==0)
    {
        cout<<go();
        return;
    }

    if(one)
    {
        int ans=pv[0];
        reverse(all(pv));
        pv.pob();
        reverse(all(pv));
        --k;--one;
        ans=mul(ans,go());
        cout<<ans;
        return;
    }

    reverse(all(nv));
    int ans=1;
    for(int i=0;i<k;++i)
        ans=mul(ans,nv[i]);
    //show(ans);
    ans=add(ans,M);
    cout<<ans;
}

int32_t main()
{
    fast();

    int t=1;
    //cin>>t;
    for(int z=1;z<=t;++z)
    {
        solve();
        //cout<<"\n";
    }

    return 0;
}



Measured memory_bytes: 5620