#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std ; using ll = long long ; using ld = long double ; template using V = vector ; template using VV = V> ; using pll = pair ; #define all(v) v.begin(),v.end() ll mod = 1000000007 ; long double pie = acos(-1) ; ll INF = 1e18 ; void yorn(bool a){if(a) cout << "Yes" << endl ; else cout << "No" << endl ;} //void YorN(bool a){if(a) cout << "YES" << endl ; else cout << "NO" << endl ;} ll gcd(long long a,long long b){if(b==0) return a ; return gcd(b,a%b) ;} ll lcm(long long a,long long b){return a/gcd(a,b)*b ;} ll extGCD(ll a,ll b,ll &x,ll &y){ if(b==0){ x = 1 ; y = 0 ; return a ; } ll d = extGCD(b,a%b,y,x) ; y -= a/b*x ; return d ; } void fix_cout(){cout << fixed << setprecision(20) ;} template void chmax(T &a,T &b){if(a void chmin(T &a,T &b){if(a>b) a = b ;} int main(){ int n,k ; cin >> n >> k ; V a(n) ; for(auto &i:a) cin >> i ; set s ; bool ok = false ; int sum = 0 ; s.insert(0) ; for(int i=0;i