#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef complex<double> P;
typedef pair<int,int> pii;
#define REP(i,n) for(ll i=0;i<n;++i)
#define REPR(i,n) for(ll i=1;i<n;++i)
#define FOR(i,a,b) for(ll i=a;i<b;++i)

#define DEBUG(x) cout<<#x<<": "<<x<<endl
#define DEBUG_VEC(v) cout<<#v<<":";REP(i,v.size())cout<<" "<<v[i];cout<<endl
#define ALL(a) (a).begin(),(a).end()

#define MOD (ll)(1e9+7)
#define ADD(a,b) a=((a)+(b))%MOD
#define FIX(a) ((a)%MOD+MOD)%MOD

int main(){
  int a,b,c;
  cin>>a>>b>>c;
  if(a==b || b==c || c==a){
    cout<<0<<endl;
  }else{
    if( (a<b&&c<b)||(a>b&&c>b) ){
      cout<<"INF"<<endl;
    }else{
      int cnt = 0;
      REPR(i,max(max(a,b),c)+10){
        int x=a%i, y=b%i, z=c%i;
        if(x!=y&&y!=z&&z!=x && ( (y>x&&y>z)||(y<x&&y<z) ) ){
          ++cnt;
        }
      }
      cout<<cnt<<endl;
    }
  }
  return 0;
}