Sorting using 3 variables in C language

sorting-3.c

#include<stdio.h>

void main(){
  int n1, n2, n3 , temp;
  printf("Enter First Number");
  scanf("%d", &n1);
  printf("Enter Second Number");
  scanf("%d", &n2);
  printf("Enter Third Number");
  scanf("%d", &n3);
  
  if(n1 > n2)
  {
	  temp = n1;   // 20 <== 20 
	    n1 = n2;   // 30 <== 30 
	    n2 = temp; // 20 <== 20
  }
  
  if(n2 > n3)
  {
	  temp = n2;   
	    n2 = n3;   
	    n3 = temp; 
  }
  
  if(n1 > n3)
  {
	  temp = n1;   
	    n1 = n3;   
	    n3 = temp; 
  }
  
printf("The sorted numbers are: %d \n %d \n %d", n1 , n2 , n3);

}