#include<iostream>
#include <list>
#include <stack>
#include<vector>
#include<algorithm>
#include<cstdio>
#include<fstream>
#include<string>
using namespace std;
vector<int> arrA;
ifstream in("substring.in");
ofstream out("substring.out");
string input;
int sublength, minCount, curCount, strStart = 0;
bool fulfills = true;
int main(){
	in >> input>>sublength>>minCount;
	for (int ind = 0; ind < sublength; ind++){
		if (input[ind] == '0'){
			curCount++;
		}
	}
	for (int ind = sublength + 1; ind < input.length(); ind++){

		if (curCount < minCount){
			fulfills = false;
			break;
		}
		if (input[strStart++] == '0'){
			curCount--;
		}
		if (input[ind] == '0'){
			curCount++;
		}
	}
	if (curCount < minCount){
		fulfills = false;
	}
	if (fulfills){
		out << "Yes" << endl;
	}
	else{
		out << "No" << endl;
	}
}