#include <stdio.h>

int main(void){
    int n;
    printf("Enter a number: ");
    scanf("%d", &n);
    int tmp = n % 2;

    if (tmp != 0) goto if_odd;
    printf("even\n");
    goto if_end;
if_odd:
    printf("odd\n");
if_end:

    return 0;
}