#include<bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define int long long
#define vi vector<int>
#define vvi vector<vector<int>>
#define pii pair<int, int>
#define vpii vector<pair<int, int>>
#define vc vector<char>
#define vb vector<bool>
#define mii map<int,int>
#define f0r(i,n) for(int i=0;i<n;i++)
#define FOR(i,k,n) for(int i=k;i<n;i++)
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define in(a) int a; cin>>a
#define in2(a,b) int a,b; cin>>a>>b
#define in3(a,b,c) int a,b,c; cin>>a>>b>>c
#define in4(a,b,c,d) int a,b,c,d; cin>>a>>b>>c>>d
#define vin(v,n); vi v(n); f0r(i,n){cin>>v[i];}
#define out(a) cout<<a<<'\n'
#define out2(a,b) cout<<a<<' '<<b<<'\n'
#define out3(a,b,c) cout<<a<<' '<<b<<' '<<c<<'\n'
#define out4(a,b,c,d) cout<<a<<' '<<b<<' '<<c<<' '<<d<<'\n'
#define vout(v) for(auto u : v){cout<<u<<' ';} cout<<'\n'
#define dout(a) cout<<a<<' '<<#a<<'\n'
#define dout2(a,b) cout<<a<<' '<<#a<<' '<<b<<' '<<#b<<'\n'
#define yn(x); if(x){cout<<"YES"<<'\n';}else{cout<<"NO"<<'\n';}
const int leg = 1e9 + 7;
const int mod = 998244353;
using namespace std;
signed main(){
ios::sync_with_stdio(false);
cin.tie(NULL);
//ifstream cin(".in");
//ofstream cout(".out");
in2(n,k);
vin(c,n);
vin(s,n);
vvi dp(n, vi(k+1, -4e18));
vvi dpdex(n, vi(k+1));
vi p(n);
p[0] = c[0];
vi f(k+5, -4e18);
vi dex(k+5);
FOR(i, 1, n)p[i] = p[i-1] + c[i];
dp[0][1] = s[0] - c[0];
f[2] = dp[0][1] + p[0];
dex[2] = 0;
FOR(i, 1, n){
dp[i][1] = s[i] - c[i];
FOR(j, 2, k+1){
if(j - 1 <= i){
dp[i][j] = f[j] - p[i] + s[i];
dpdex[i][j] = dex[j];
}
}
FOR(j, 1, k+1){
if(f[j+1] < dp[i][j] + p[i]){
f[j+1] = dp[i][j] + p[i];
dex[j+1] = i;
}
}
}
/*
f0r(i,k+1){
f0r(j,n){
if(dp[j][i] == -4e18)cout<<'x'<<' ';
else cout<<dp[j][i]<<' ';
}
cout<<'\n';
}
*/
int ans = -4e18;
int ansdex = 0;
vb ra(n);
f0r(i,n){
if(ans < dp[i][k]){
ans = dp[i][k];
ansdex = i;
}
}
out(ans);
vi ansv;
int kk = k;
f0r(i,n){
if(dp[i][kk] == ans){
ansdex = i;
k = kk;
while(k > 0){
ra[ansdex] = 1;
ansdex = dpdex[ansdex][k];
k--;
}
}
}
//for(auto u : ansv)ra[u] = 1;
for(auto u : ra)cout<<u;
}
