View Code of Problem 86

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