#define _USE_MATH_DEFINES
#include<iostream>
#include<vector>
#include<algorithm>
#include<cmath>
#include<string>
#include<iomanip>
#include<numeric>
#include<queue>
#include<deque>
#include<stack>
#include<set>
#include<map>
#include<random>
using namespace std;
typedef long long ll;
const int mod=998244353;
bool f(int a,int b,int c){
	return(a<b&&b>c||a>b&&b<c)&&a!=c;
}
int main(){
	int a,b,c;
	cin>>a>>b>>c;
	if(f(a,b,c))
		cout<<"INF"<<endl,exit(0);
	int ans=0;
	for(int i=1;i<=1000;i++)
		if(f(a%i,b%i,c%i))
			ans++;
	cout<<ans<<endl;
}