public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.println("鸡兔同笼:请输入头和脚数量:");
int h = in.nextInt();
int f = in.nextInt();
int chicken=0,rabbit = 0;
for(;chicken<=h;chicken++){
rabbit = h-chicken;
if((chicken*2)+(rabbit*4) == f){
System.out.println(String.format("鸡:%d,兔:%d",chicken,rabbit));
return;
}
}
System.out.println("没有解");
}