递归：

#include<cstdio>
#include<iostream>
#include<cstring>
#include<cmath>
#include<iomanip>
#include<queue>
#include<algorithm>
#include<vector>
#include<stack>
#include<set>
using namespace std;
#define LL long long
const int N=100;
using namespace std;
int f(int n,int m)
{
	f(n%2)
}
int main()
{
	int a,b;
	cin>>a>>b;
	cout<<f(a,b);
	return 0;
}