#include <bits/stdc++.h>
#define REP(i,n,N) for(int i=(n);i<(int) N;i++)
#define p(s) cout<<(s)<<endl
#define CK(n,a,b) ((a)<(n)&&(b)<(n))
#define ck(n,a,b) ((n)<(a)&&(n)<(b))
using namespace std;

int main(){
	int A,B,C;
	cin>>A>>B>>C;
	int ans=0;
	if(A==B||B==C||C==A) p(0);
	else if(CK(B,A,C)||ck(B,A,C)) p("INF");
	else {
		REP(i,1,1001){
			if((CK(B%i,A%i,C%i)||ck(B%i,A%i,C%i))&&!(A%i==B%i||B%i==C%i||C%i==A%i)) ans++;
		}
		p(ans);
	}
	return 0;
}