#include <stdio.h>

int main(void){

  int x, y, z, w;
  int res1, res2, res3;

  printf("Enter the integers x, y, z, and w.\n");
  scanf("%d%d%d%d", &x, &y, &z, &w);

  /* min(x,y) */
  res1 = (x < y) ? x : y;


  /* min(x,y,z) =
     if x < y      
     then min(x,z)      y ruled out
     else min(y,z)      x ruled out
     Now use the pattern from above.
  */
  res2 = 
   (x < y)?
    ((x < z) ? x : z):
    ((y < z) ? y : z);


  /* max(x,y,z,w) =
     if x < y
     then max(y,z,w)    x ruled out
     else max(x,z,w)    y ruled out

     max(x,y,z) =
     if x < y      
     then max(y,z)      x ruled out
     else max(x,z)      y ruled out

     max(x,y) =
     if x < y then y else x
     
  */
  res3 =
   (x < y)?
     ((y < z) ? 
      ((z < w) ? w : z) :
      ((y < w) ? w : y)) :
     ((x < z) ? 
      ((z < w) ? w : z) :
      ((x < w) ? w : x));

  printf("The minimum of %d and %d is %d.\n", x, y, res1);
  printf("The minimum of %d, %d, and %d is %d.\n", x, y, z, res2);
  printf("The maximum of %d, %d, %d, and %d is %d.\n", x, y, z, w, res3);

}