ex10pg151

#include<iostream>
using namespace std;

void sub(int &n,int k)
{
    int v[10],l=0,i;
    do
    {
        v[++l]=n%10;
        n=n/10;
    }
    while(n>0);
    n=0;
    for(i=l; i>=1; i--)
    {
        if(v[i]==k)
        {
            k=-1;
        }
        else
        {

        n=n*10+v[i];
       }
    }

}

int main()
{
    int a,b,contor=0,i,aux1,aux2;
    cin>>a>>b;
    for(i=1;i<=9;i++)
    {
    aux1=a;
    aux2=b;
    sub(aux1,i);
    sub(aux2,i);
      if(a!=aux1 && b!=aux2) contor++;
    }
  cout<<contor;
}