#include<bits/stdc++.h>
#define MAX_N 100001
#define INF_INT 2147483647
#define INF_LL 9223372036854775807
#define REP(i,n) for(int i=0;i<(int)(n);i++)
using namespace std;
typedef long long int ll;
typedef pair<ll,ll> P;

bool isPrime(int n){
  if(n == 2)
    return true;
  if(n % 2 == 0)
    return false;
  int sqr = sqrt(n)+1;
  for(int i=3;i<=sqr;i++){
    if(n % i == 0)
      return false;
  }
  return true;
}

bool cmp(pair<int,string> a,pair<int,string> b){
  if(a == b)
    return true;
  else if(a.first < b.first)
    return true;
  else if(a.first > b.first)
    return false;
  else if(a.second > b.second)
    return true;
  else
    return false;
}
bool cmpf(pair<int,string> a,pair<int,string> b){
  return a.first > b.first;
}
bool cmps(pair<int,string> a,pair<int,string> b){
  return a.second < b.second;
}



int main()
{
  ll A[3],cnt=0;
  cin >> A[0] >> A[1] >> A[2];
  if(A[0] == A[1] || A[1] == A[2] || A[0] == A[2]){
    cout << 0 << endl;
    return 0;
  }
  if((A[1] < A[0] && A[1] < A[2]) || (A[1] > A[2] && A[1] > A[0])){
    cout << "INF" << endl;
    return 0;
  }

  for(int i=1;i<=1000;i++){
    if((A[1]%i == A[2]%i) || (A[1]%i == A[0]%i) || (A[0]%i == A[2]%i))
      continue;
    if((A[1]%i) < (A[0]%i) && (A[1]%i) < (A[2]%i) || (A[1]%i) > (A[2]%i) && (A[1]%i) > (A[0]%i)){
      cnt++;
    }
  }
  
  cout << cnt << endl;
  
  return 0;
  
}