import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int[] a = new int[3];
    for(int i = 0; i < 3; i++) {
      a[i] = sc.nextInt();
    }
    if((a[0] != a[1]) && (a[0] != a[2]) && (a[1] != a[2])) {
      int[] b = a.clone();
      Arrays.sort(b);
      int max = b[2];
      int min = b[0];
      if((a[1] == max) || (a[1] == min)) {
        System.out.println("INF");
      } else {
        int p = 0;
        for(int i = 3; i <= max; i++) {
          int x = a[0] % i;
          int y = a[1] % i;
          int z = a[2] % i;
          int MA = Math.max(x, Math.max(y, z));
          int MI = Math.min(x, Math.min(y, z));
          if((x != y) && (x != z) && (y != z)) {
            if((y == MA) || (y == MI)) p++;
          }
        }
        System.out.println(p);
      }
    } else {
      System.out.println(0);
    }
  }
}