Separating Digits

Reads an integer and print back with gap between digit.
Function seperateDigit() execute recursively.

/*
   title: seperatingDigits
   author: aeriqusyairi
   date: jan23 2012
*/
#include<stdio.h>

int seperateDigit(int);

int main(){
   int number = 0;
   
   printf("input an integer:");
   scanf("%d", &number);
   
   seperateDigit(number);
   printf("\n");
   
   system("pause");
   return 0;
}

int seperateDigit(int integer){
   if(integer <= 0){
      return;
   }else{
      seperateDigit( integer / 10 );
      printf("%2d", integer % 10 );   
   }   
}