#include<stdio.h>
main()
{
	char fin[100], fout[100];
	for(int i = 1 ; i <= 5 ; i++ )
	{
		sprintf(fin,".%d.in",i);
		sprintf(fout,".%d.out",i);
		freopen(fin,"r",stdin);
		freopen(fout,"w",stdout);
		int a, b, c;
		scanf("%d",&a);
		if(a>0) puts("plus"); else puts("minus");
		if(a&1) puts("odd"); else puts("even");

	}
}