#include <stdio.h>
int main(void){
    int n;
    printf("Enter a number: ");
    scanf("%d", &n);
   
    int tmp = n % 2;
    if (tmp == 0) goto if_even_end;
    if (tmp != 0) goto if_odd_end;

    if_even_end:
    printf("even\n");
    goto end;

if_odd_end:
    printf("odd\n");

    end:
    return 0;

}