#include <stdio.h>

typedef struct {
  int flag;
  int d_flag;  // 死亡フラグ
  int s_flag;  // 生存フラグ
} flagInfo;

void check_flag(flagInfo *p);
void print_result(flagInfo *p);

int main(void)
{
  flagInfo data;

  check_flag(&data);
  print_result(&data);

  return 0;
}

void check_flag(flagInfo *data)
{
  data->d_flag = 0;

  for (int i = 0; i < 3; ++i) {
    scanf("%d", &data->flag);

    if (data->flag == 1)
      data->d_flag++;
  }
  scanf("%d", &data->s_flag);
}

void print_result(flagInfo *data)
{
  printf("%s\n", (data->d_flag >= 2 && data->s_flag == 0) ? "DEAD" : "SURVIVED");
}