text: //
  #include <stdio.h>
  #include <math.h>
  
  int
  main(void)
  {
  	int a, b, c, d;
  	printf("Please enter 4 numbers separated by spaces > ");
  	scanf("%d%d%d%d", &a, &b, &c, &d);
  	if (a>b)
  		if (b>c)
  			if (c>d)
  			printf("%d is the smallest\n", d);
  			else
  			printf("%d is the smallest\n", c);
  		else if  (b>d)
  		printf("%d is the smallest\n", d);
  		else
  		printf("%d is the smallest\n", b);
  	else if (a>c)
  		if (d>c)
  		printf("%d is the smallest\n", c);
  		else
  		printf("%d is the smallest\n", d);
  	else if (a>d)
  	printf("%d is the smallest\n", d);
  	else
  	printf("%d is the smallest\n", a);
  return(0);
  }
  