#include<bits/stdc++.h>
using namespace std;
int main(){
  int a,b,c;cin>>a>>b>>c;
  int ma=max({a,b,c});
  int mi=min({a,b,c});
  if(a!=b&&a!=c&&b!=c&&(b==ma||b==mi)){
    cout<<"INF"<<endl;
    return 0;
  }
  int ans=0;
  int x,y,z,aa,ii;
  for(int p=3;p<=ma;p++){
    x=a%p;y=b%p;z=c%p;
    aa=max({x,y,z});
    ii=min({x,y,z});
    if(x!=y&&x!=z&&y!=z&&(y==aa||y==ii))ans++;
  }
  cout<<ans<<endl;
}