#include<stdio.h>
int compose(int,int);
int main()
{
	int first;
	int last;
	printf("Enter the first and last number:");
	scanf("%d%d",&first,&last);
	compose(first,last);
	return 0;
}
int compose(x,y)
	{
		int i;
		for(i=x;i<=y;i=i+2)
			printf("%d\n",i);
	}