Even or Odd

Inputs a series of integers and passes them one at a time to function even, which use the remainder operator to determine if an integer is even.The function return 1 if the ineteger is even and 0 otherwise.

/*
   title: Even || Odd
   author: aeriqusyairi
   date: 23Jan 2012
*/
#include<stdio.h>

int even(int);

int main(){
   int a = 0, b = 0; 
   printf("Input an integer:");       
   scanf("%d", &a);
   
   b = even(a);
   
   if(b == 1)
      printf("%d is an even integer.\n", a);
   else
      printf("%d is not an even integer.\n", a);
   
   system("pause");
   return 0;
}

int even(int number){
   if(number % 2 == 0)
      return 1;
   else
      return 0;    
}