using System; using System.Collections.Generic; using System.Collections; using System.Collections.Specialized; using System.Linq; using System.Text; using System.IO; using System.Reflection; using static System.Math; using System.Numerics; using System.Threading; using System.Runtime.CompilerServices; using System.Diagnostics; //using nint=System.Int32; static class Program{ const int mod=(int)1e9+7; static void Main(){ Sc sc=new Sc(); var s=sc.Ia; if(Gcd(s[0],Gcd(s[1],s[2]))!=1){ Console.WriteLine("INF"); return; } Array.Sort(s); var m=s[1]*s[2]; var b=new bool[m+s[2]]; b[0]=true; int ans=0; for(int i = 0;i < m;i++) { if(b[i]){b[i+s[0]]=b[i+s[1]]=b[i+s[2]]=true;} else{ans++;} } Console.WriteLine("{0}",ans); } static long Gcd(long a,long b){ long c=Max(a,b)%(b=Min(a,b)); while(c!=0){ a=b%c; b=c; c=a; } return b; } } public class Sc{ public int I{get{return int.Parse(Console.ReadLine());}} public long L{get{return long.Parse(Console.ReadLine());}} public double D{get{return double.Parse(Console.ReadLine());}} public string S{get{return Console.ReadLine();}} public int[] Ia{get{return Array.ConvertAll(Console.ReadLine().Split(),int.Parse);}} public long[] La{get{return Array.ConvertAll(Console.ReadLine().Split(),long.Parse);}} public double[] Da{get{return Array.ConvertAll(Console.ReadLine().Split(),double.Parse);}} public string[] Sa{get{return Console.ReadLine().Split();}} public object[] Oa{get{return Console.ReadLine().Split();}} public int[] Ia2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),int.Parse);}} public int[] Ia3(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).Split(),int.Parse);} public int[] Ia3(int a){return Array.ConvertAll((Console.ReadLine()+" "+a.ToString()).Split(),int.Parse);} public long[] La2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),long.Parse);}} public long[] La3(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).Split(),long.Parse);} public long[] La3(int a){return Array.ConvertAll((Console.ReadLine()+" "+a.ToString()).Split(),long.Parse);} public double[] Da2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),double.Parse);}} public double[] Da3(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).Split(),double.Parse);} public T[] Arr(int n,Func f){var a=new T[n];for(int i=0;i(int n,Func f){var a=new T[n];for(int i=0;i(int n,Func f){var a=new T[n];for(int i=0;i(int n,Func f){var a=new T[n];for(int i=0;i(){var s=Console.ReadLine().Split();return (Ct(s[0]),Ct(s[1]));} public (T,T,T) Tp3(){var s=Console.ReadLine().Split();return (Ct(s[0]),Ct(s[1]),Ct(s[2]));} public (T1,T1,T2) Tp3(){var s=Console.ReadLine().Split();return (Ct(s[0]),Ct(s[1]),Ct(s[2]));} private T Ct(string s){return (T)Convert.ChangeType(s,typeof(T));} }