http://noi.openjudge.cn/ch0104/03/

/*
1.4编程基础之逻辑表达式与条件分支 03 奇偶数判断
http://noi.openjudge.cn/ch0104/03/
https://blog.csdn.net/yigezzchengxuyuan/article/details/86651658
*/
#include<iostream>
using namespace std;
int main(void)
{                                                                                                                                                                     
	int x; 
	
	cin>>x;
	
	if( x%2==1)
	{
		cout<<"odd"<<endl;
	}
	else
	{
		cout<<"even"<<endl;
	}
	
	return 0;
}

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