change the background color in cmd

cmd.cpp

#include <stdio.h>
#include <stdlib.h>

int main()
{
	long time;
	printf("I Love You");
	for(; ;)
	{
		system("color a");
		for(time=0;time<99999999;time++);
			system("color b");
		for(time=0;time<99999999;time++);
			system("color c");
		for(time=0;time<99999999;time++);
			system("color d");
		for(time=0;time<99999999;time++);
			system("color e");
		for(time=0;time<99999999;time++);
	}
	return 0;
}