import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import static java.lang.System.in;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(in));
        String[] inputs = reader.readLine().split(" ");
        int A1 = Integer.parseInt(inputs[0]);
        int A2 = Integer.parseInt(inputs[1]);
        int A3 = Integer.parseInt(inputs[2]);
        int max = Math.max(Math.max(A1, A2), A3);
        int counter = 0;
        if (isKadomatu(A1, A2, A3)) {
            System.out.println("INF");
        } else {
            for (int i = 1; i <= max; i++) {
                if (isKadomatu(A1 % i, A2 % i, A3 % i)) {
                    counter += 1;
                }
            }
            System.out.println(counter);
        }

    }

    private static boolean isKadomatu(int a, int b, int c) {
        if (a == b || b == c || c == a) {
            return false;
        }

        if (b < a && b < c) {
            return true;
        } else if (a < b && c < b) {
            return true;
        } else {
            return false;
        }
    }
}