#include<bits/stdc++.h>
using namespace std;
int main()
{
    freopen("substring.in","r",stdin);
    freopen("substring.out","w",stdout);
    string s;
    int a,b;
    cin>>s>>a>>b;
    int n=s.size();
    int br=0;
    for(int i=0;i<a;i++) br+=(s[i]=='0');
    if(br<b){cout<<"No"<<endl; return 0;}
    bool f=1;
    for(int i=1;i<=n-a;i++)
    {
        br-=(s[i]=='0');
        br+=(s[i+a-1]=='0');
        if(br<b){f=0; break;}
    }
    if(f) cout<<"Yes"<<endl;
    else cout<<"No"<<endl;
    return 0;
}