View Code of Problem 86

#include<stdio.h>

int main(){
	int i,a,b,sum,x;
	scanf("%d%d",&a,&b);
	x=a;
	for (sum=0,i=0;i<b;i++)
	{
		sum+=a;
		a=10*a+x;
	}
	printf("%d",sum);
	return 0;
}