It is a simple math problem. Take two or three examples and try.
Solution:
//headers.
#include<iostream>
using namespace std;
int main()
{
long long T,c; // "c" used to hold last digit of given number
cin>>T;
c = T%10;
if(c == 0)
cout<<"2"<<endl;
else
cout<<"1"<<endl<<c<<endl;
return 0;
}
