C++ :

#include <iostream>
using namespace std;
int main() {
    int n;
    cin >> n;
    int arr[100];
    int maxCount = 0;
    int maxNum = 0;
    for(int i = 0; i < n; ++i) {
        cin >> arr[i];
    }
    for(int i = 0; i < n; ++i) {
        int count = 1;
        for(int j = i + 1; j < n; ++j) {
            if(arr[j] == arr[i]) {
                count++;
            }
        }
        if(count > maxCount) {
            maxCount = count;
            maxNum = arr[i];
        }
    }
    cout << maxNum << endl;
    return 0;
}