View Code of Problem 86

#include<stdio.h>
int main()
{
    int a, n, k;
	int i;
	int sum = 0;
	scanf("%d %d", &a, &n);
	k = a;
	for(i = 0; i < n; i++)
	{
		sum += a;
		a = a * 10 + k;
	}
	printf("%d\n", sum);
    return 0;
}