#include <stdio.h>
#include <stdlib.h>

int main(int argc, char **argv) {

  int a, b, diff;
  char c;
  while ((c=getchar()) != '\n' ) {
    continue;
  }
  scanf("%d %d %d", &a, &b, &diff);

  if (abs(a-b) == diff && a - b != diff) {
    printf("SITH\n");
  } else if (a - b == diff && abs(a-b) != diff ) {
    printf("JEDI\n");
  } else {
    printf("VEIT EKKI\n");
  }
  return 0;
}