/*
TASK:FUTURE
LANG:C++
*/
#include<iostream>
using namespace std;
int a1[201];
int b1[201];
int main()
{int long long a;
int long long b;
int long long c;
int d;
cin>>a>>b>>d;
c=abs(a-b)*d;
int br=0;cout<<c;cout<<"\n";
do
{a1[br]=c%10;c=c/10;br++;}
while(c>0);
int br2=0;
int maxbr=0,x=0;
int s=0;
for(int i=0;i<br;i++)
s=s+a1[i];

for(int i=0;i<br-1;i++)
{br2=0;
for(int j=1;j<br;j++)
if(a1[i]==a1[j])br2++;
if(br2>maxbr&&s%a1[i]==0){maxbr=br2;x=a1[i];}}
cout<<x;



	
	
	system("pause");
	return 0;}
