import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A[] = new int[3], B[] = new int[3], ans = 0, minA = Integer.MAX_VALUE, maxA = Integer.MIN_VALUE, minB, maxB;
        for (int i = 0; i < 3; ++i) {
            A[i] = sc.nextInt();
            minA = Math.min(minA, A[i]);
            maxA = Math.max(maxA, A[i]);
        }
        sc.close();
        if (A[0] != A[1] && A[1] != A[2] && A[0] != A[2] && (A[1] == minA || A[1] == maxA)) System.out.print("INF");
        else {
            for (int i = 1; i <= maxA; ++i) {
                minB = Integer.MAX_VALUE;
                maxB = Integer.MIN_VALUE;
                for (int j = 0; j < 3; ++j) {
                    B[j] = A[j] % i;
                    minB = Math.min(minB, B[j]);
                    maxB = Math.max(maxB, B[j]);
                }
                if (B[0] != B[1] && B[1] != B[2] && B[0] != B[2] && (B[1] == minB || B[1] == maxB)) ++ans;
            }
            System.out.print(ans);
        }
    }
}