#include<stdio.h>
#include<stdlib.h>
extern "C" {
  int get_smallest(int x, int y);
}

void setup() {
  // put your setup code here, to run once:
  Serial1.begin(9600);
}

int main()
{
  int x, y, smallest;
  printf("Enter the first number:");
  scanf("%d",&x);
  printf("%d",x);
  printf("\nEnter the second number:");
  scanf("%d",&y);
  printf("%d",y);
  smallest = get_smallest(x, y);
  printf("\nThe smaller number is: %d", smallest);
  return 0;
}