C Program to Check Whether a Given Positive Integer is Even or Odd

Program

#include<stdio.h>
#include<conio.h>

void main()
{
	 int num;
	 clrscr();
	 printf("Enter positive integer: ");
	 scanf("%d", &num);
	
	 if(num%2==0)
	 {
	  printf("%d is even.", num);
	 }
	 else
	 {
	  printf("%d is odd", num);
	 }
	 getch();
}

Output of the above program :

Run 1:
--------------
Enter positive integer: 67 ↲
67 is odd

Run 2:
--------------
Enter positive integer: 86 ↲
86 is even

Note: ↲ indicates ENTER is pressed.