i have WA #2
#include <iostream>
#include <stdio.h>
using namespace std;

int main()
{
    int n, m;
    cin >> n >> m;

    int win = 0;
    for(int i = 0; i < m; i++)
    {
        int a;
        cin >> a;
        n -= a;
        if(i % 2 == 0)
            win = 2;
        else win = 1;
    }

    cout << win << endl;

    return 0;
}