JAVA循环题

public class Egg{
    public static void main(String[] args){
        int chicken=0,duck=0,goose=0;
        for(int i=0;i<100;i++){
            chicken = i;
                for(int j=0;j<100;j++){
                    duck = j;
                    goose = 100-duck-chicken;
                    if(chicken+duck*30+goose*60==1000&&chicken>0&&duck>0&&goose>0){ 
                        System.out.println("鸡:"+chicken+"  鸭:"+duck+"  鹅:"+goose);
                    }                   
                }
        }               
    }   
}