C Language = Check whether the number is even or odd

 Check whether the number is even or odd 

#include<stdio.h>

void main()

{

int a;

char ch[10];

printf("enter a number\n");

scanf("%d",&a);

if (a>0)

{

printf("it is positive %d\n",a);

if (a%2==0) // we can use a%2 because 0 is false and 1 is true for eg see part 3

{

printf("it is even %d",a);

}

else

{

printf("it is odd %d",a);

}

}

if (a<0)

{

printf("it is negative %d",a);

}

}