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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
public class MajorityElement {
public static void main(String[] args) {
FastScanner scanner = new FastScanner(System.in);
int n = scanner.nextInt();
int[] a = new int[n];
for (int i = 0; i < n; i++) {
a[i] = scanner.nextInt();
}
if (getMajorityElement(a, 0, a.length -1) != -1) {
System.out.println(1);
} else {
System.out.println(0);
}
}
static class FastScanner {
BufferedReader br;
StringTokenizer st;
FastScanner(InputStream stream) {
try {
br = new BufferedReader(new InputStreamReader(stream));
} catch (Exception e) {
e.printStackTrace();
}
}
String next() {
while (st == null || !st.hasMoreTokens()) {
try {
st = new StringTokenizer(br.readLine());
} catch (IOException e) {
e.printStackTrace();
}
}
return st.nextToken();
}
int nextInt() {
return Integer.parseInt(next());
}
}
public static int getMajorityElement(int[] a, int left, int right) {
if (left == right)
return a[left];
int middle = (right - left) / 2;
int b = getMajorityElement(a, left, left + middle);
int c = getMajorityElement(a, left + middle + 1, right);
int d = conquer(a, b, c, left, right);
return d;
}
private static int conquer(int[] a, int b, int c, int left, int right) {
int countB = 0;
int countC = 0;
for (int i = left; i < right + 1; i++) {
// for (int i = 0; i < right + 1; i++) {
if (a[i] == b)
countB++;
if (a[i] == c)
countC++;
}
if (countB > (right - left + 1) / 2)
return b;
if (countC > (right - left + 1) / 2)
return c;
return -1;
}
}
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