#include <bits/stdc++.h>

#define _overload(_1,_2,_3,name,...) name
#define _rep(i,n) _range(i,0,n)
#define _range(i,a,b) for(int i=int(a);i<int(b);++i)
#define rep(...) _overload(__VA_ARGS__,_range,_rep,)(__VA_ARGS__)

#define _rrep(i,n) _rrange(i,n,0)
#define _rrange(i,a,b) for(int i=int(a)-1;i>=int(b);--i)
#define rrep(...) _overload(__VA_ARGS__,_rrange,_rrep,)(__VA_ARGS__)

#define _all(arg) begin(arg),end(arg)
#define uniq(arg) sort(_all(arg)),(arg).erase(unique(_all(arg)),end(arg))
#define getidx(ary,key) lower_bound(_all(ary),key)-begin(ary)
#define clr(a,b) memset((a),(b),sizeof(a))
#define bit(n) (1LL<<(n))
#define popcount(n) (__builtin_popcountll(n))

template<class T>bool chmax(T &a, const T &b) { return (a<b)?(a=b,1):0;}
template<class T>bool chmin(T &a, const T &b) { return (b<a)?(a=b,1):0;}

using namespace std;

const int dx[8]={1,0,-1,0,1,-1,-1,1};
const int dy[8]={0,1,0,-1,1,1,-1,-1};

bool check(int a,int b,int c){
	if(a==b) return false;
	if(b==c) return false;
	if(c==a) return false;

	if(min({a,b,c})==b) return true;
	if(max({a,b,c})==b) return true;

	return false;
}
int main(void){
	int a,b,c;
	cin >> a >> b >> c;

	assert(1<=a && a<=1000);
	assert(1<=b && b<=1000);
	assert(1<=c && c<=1000);

	if(check(a,b,c)){
		puts("INF");
		return 0;
	}

	int ans=0;
	rep(p,1,1001) if(check(a%p,b%p,c%p)) ans++;
	cout << ans << endl;
	return 0;
}