#include <stdio.h>
int main() {
int a;
while (scanf("%d", &a) != EOF) {
if (a % 2 == 0) {
printf("Even\n");
} else {
printf("Odd\n");
}
}
return 0;
}

#include <stdio.h>
int main() {
int a;
while (scanf("%d", &a) != EOF) {
if (a % 2 == 0) {
printf("Even\n");
} else {
printf("Odd\n");
}
}
return 0;
}