import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;
import java.io.OutputStream;
import java.util.StringTokenizer;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import java.math.BigDecimal;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        Task solver = new Task();
        solver.solve(1, in, out);
        out.close();
    }

    static class Task {
        public void solve(int testNumber, InputReader in, PrintWriter out) {
            int[] a = new int[3];
            int[] b = new int[3];
            int res=0;
            for(int i=0; i<3; i++){
                a[i] = in.nextInt();
            }
            if(a[0]==a[1]||a[1]==a[2]||a[0]==a[2]){
                out.println(0);
                return;
            }
            else if(a[1]>a[0]&&a[1]>a[2]){
                out.println("INF");
                return;
            }
            else if(a[1]<a[0]&&a[1]<a[2]){
                out.println("INF");
                return;
            }
            else{
                for(int i=1; i<=1000; i++){
                    b[0] = a[0]%i;
                    b[1] = a[1]%i;
                    b[2] = a[2]%i;
                    if(b[1]>b[0]&&b[1]>b[2]&&b[0]!=b[2]) res++;
                    if(b[1]<b[0]&&b[1]<b[2]&&b[0]!=b[2]) res++;
                }
            }
            out.println(res);
        }
    }


    static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

        public int nextInt() {
            return Integer.parseInt(next());
        }

        public long nextLong() {
            return Long.parseLong(next());
        }

    }
}