pgr to print even numbers

#include <stdio.h>

int main () {

int a,i,ev=0;

printf("Enter a number : ");

scanf("%d", &a);

for(i=1 ; i<=a / 2 ; i++) {

ev = 2*i;

printf("%5d", ev);

}

return 0;

}

Output :

Enter a number : 24

2 4 6 8 10 12 14 16 18 20 22 24

=== Code Execution Successful ===