code

#include<iostream>
#include<cstdio>
using namespace std;
int main() {
	ios::sync_with_stdio(false);
	int n;
	cin >> n;
	if (n & 1) {
		printf("odd");
		//cout<<"odd";
	} else {
		printf("even");
		//cout<<"even";
	}
	return 0;
}

compare

上为printf