#include <bits/stdc++.h>
using namespace std;
int read() {
  char s;
  int k = 0, base = 1;
  while ((s = getchar()) != '-' && s != EOF && !(s >= '0' && s <= '9'))
    ;
  if (s == EOF) exit(0);
  if (s == '-') base = -1, s = getchar();
  while (s >= '0' && s <= '9') {
    k = k * 10 + (s - '0');
    s = getchar();
  }
  return k * base;
}
void write(int x) {
  if (x < 0) {
    putchar('-');
    write(-x);
  } else {
    if (x / 10) write(x / 10);
    putchar(x % 10 + '0');
  }
}
int main() {
  printf("POSSIBLE");
  return 0;
}
