Nested If: Example program on nested if statement

/*    Nested if in two-way selection.*/
#include < stdio.h >

 int main(void) {
  //    Local Declarations
  int a;
  int b;

  //    Statements
  printf("Please enter two integers: ");
  scanf("%d%d", & a, & b);

  if (a <= b)
   if (a < b)
    printf("%d < %d\n", a, b);
   else
    printf("%d == %d\n", a, b);
  else
   printf("%d > %d\n", a, b);

  return 0;
 } // main

/*    Results:
Please enter two integers: 10 10
10 == 10
*/