/*
 * Student ID: 201368218
 * Student Name: Alexander Dunne
 * Email: a.dunne2@student.liverpool.ac.uk
 *
 * User: sgadunn3
 *
 * Problem ID: 1030
 * RunID:
 * Result: Accepted
 */

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

int main(int argc, char const *argv[]) {

  //variables
  int a, b, c;
  float answer;
  int result;

  //input
  scanf("%d %d %d", &a, &b, &c);

  //calculation
  answer = (float)a / (float)b; //store a / b in variable answer
  int finalAnswer = (int)(fabsf(answer) * pow(10, 5)) % 10;

  printf("%d", finalAnswer);

  return 0;
}