/* Note:Your choice is C IDE */ 
#include "stdio.h" 
void main() 
{ 
    int a[4]; 
    int i,j,t; 
    printf("please input four numbers:\n"); 
    for(i=0;i<4;i++) 
         
            scanf("%d",&a[i]); 
    for(i=0;i<3;i++) 
        for(j=i+1;j<4;j++) 
           if(a[i]>a[j]) 
           { 
               t=a[i]; 
               a[i]=a[j]; 
               a[j]=t; 
           } 
     for(i=0;i<4;i++) 
         
            printf("%4d",a[i]); 
     printf(" cong da dao xiao shu chu :\n"); 
     for(i=3;i>=0;i--) 
         
            printf("%4d",a[i]); 
            
     
}