codeforces 1100B

#include<bits/stdc++.h>

using namespace std;

/// Typedef
typedef long long ll;

#define sc1(a) scanf("%lld",&a)
#define sc2(a,b) scanf("%lld %lld",&a,&b)

#define pf1(a) printf("%lld\n",a)
#define pf2(a,b) printf("%lld %lld\n",a,b)

#define mx 10000007
#define mod 100000007
#define PI acos(-1.0)

int dr[] = {-2,-2,-1,-1,1,1,2,2};
int dc[] = {-1,1,-2,2,-2,2,-1,1};

ll  cnt[mx], total[mx];

int main()
{
    ll num, m, tc = 1;
    sc2(num, m);

    ll arr[m];

    for(ll i = 0; i < m; i++) {
        sc1(arr[i]);
        cnt[arr[i]]++;
        total[cnt[arr[i]]]++;

        if(total[tc] == num){
            cout << 1;
            tc++;
        }
        else cout << 0;
    }

    cout << endl;

    return 0;
}