#define _CRT_SECURE_NO_WARNINGS
#define _USE_MATH_DEFINES

#include "bits/stdc++.h"
#define REP(i,a,b) for(i=a;i<b;++i)
#define rep(i,n) REP(i,0,n)
#define ll long long
#define ull unsigned ll
typedef long double ld;
#define SQR(X)  ( (X)*(X) )
#define CUBE(X) ( (X)*(X)*(X) )
#define ALL(a) (a).begin(),(a).end()
#define ifnot(a) if(not a)
#define dump(x)  cerr << #x << " = " << (x) << endl
using namespace std;


void reader(int &a){scanf("%d",&a);}
void reader(double &a){scanf("%lf",&a);}
void reader(char a[]){scanf("%s",a);}
void reader(char &a){scanf(" %c",a);}
void reader(ll &a){scanf("%lld",&a);}
void reader(ull &a){scanf("%llu",&a);}
// void reader(string& a){cin >> a;};
template<class T,class U> void reader(T& t,U& u){reader(t); reader(u);}
template<class T,class U,class V> void reader(T& t,U& u,V& v){reader(t); reader(u); reader(v);}

void writer(int a,char c) {printf("%d",a); putchar(c);}
void writer(ll a,char c) {printf("%lld",a); putchar(c);}
void writer(double a,char c) {printf("%.20lf",a); putchar(c);}
void writer(char a[]) {printf("%s",a);};
void writer(char a[],char c) {printf("%s",a);putchar(c);};
void writer(char a,char c) {putchar(a); putchar(c);};
template<class T>void writerLn(T t){writer(t,'\n');}
template<class T,class U>void writerLn(T t,U u){writer(t,' ');writer(u,'\n');}
template<class T,class U,class V> void writerLn(T t,U u,V v){writer(t,' ');writer(u,' ');writer(v,'\n');}
template<class T> void writerArr(T x[], int n){int i;if(!n){putchar('\n');return;}rep(i,n-1) writer(x[i],' ');writer(x[n-1],'\n');}
template<class T> void writerVec(vector<T> x){int n=x.size();int i;if(!n){putchar('\n');return;}rep(i,n-1) writer(x[i],' ');writer(x[n-1],'\n');}

vector<std::string> split(const std::string &str, char sep){std::vector<std::string> v;std::stringstream ss(str);std::string buffer;while(std::getline(ss,buffer,sep)){v.push_back(buffer);}return v;}

// #define int ll
bool test = 1;
int dx[] = {0,0,1,-1};
int dy[] = {1,-1,0,0};
//.....................
bool f(vector<int> A) {
  if(A[0] == A[1] || A[0] == A[2]) return false;
  if(A[1] == A[0] || A[1] == A[2]) return false;
  if(A[1] > A[0] && A[1] > A[2]) return true;
  else if(A[1] < A[0] && A[1] < A[2]) return true;
  else return false;
}
#define MAX 100000
signed main(){
  int i,j,k;
  vector<int> A(3);
  rep(i,3) cin >> A[i];
  if(f(A)) puts("INF");
  else {
    int ans = 0;
    REP(i,1,2000) {
      vector<int> B(3);
      rep(j,3) B[j] = A[j]%i;
      if(f(B)) ans++;
    }
    cout << ans << endl;
  }
  return 0;
}