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

extern "C"{
  int get_smallest(int x,int y);
}

void setup() {
  Serial1.begin(9600);
}

int main()
{
  int x,y,smallest;
  printf("Enter the first number");
  scanf("%d",&x);
  printf("%d\n",x);
  printf("Enter the second number");
  scanf("%d",&y);
  printf("%d\n",y);

  smallest=get_smallest(x,y);
  printf("\nThe smaller number is: %d\n",smallest);
  return 0;
}