#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int main()
{
int arr[] = {9, 1, 31, 12, 13, 3, 89, 100, 233, 4, 144, 99};
int len = sizeof(arr) / sizeof(arr[0]);
int max = *max_element(arr, arr + len);
cout << max;
return 0;
}
/*
run:
233
*/