View Code of Problem 86

#include<iostream>
using namespace std;
int main()
{
	int a,n,num=0;
	cin>>a>>n;
	int sum=a;
	 num=a;
	for(int i=0;i<n-1;i++)
	{ 
		num=(num*10)+a;
		sum=sum+num;
	}
	cout<<sum<<endl; 
}