Rooster hen chicks problem

Programming problem:

　　5 yuan a rooster, a hen 3 yuan, a chicken one yuan, 100 yuan to buy 54, the roosters, hens, chicks each how many?

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the Test class {public 
    public static void main (String [] args) { 
        // X rooster / 5 yuan a hen y / a z chick 3 yuan / 1 yuan a 
        System.out.println ( "--- Start ------------- ----------- "); 
       for (int X = 0; X <= 10; X ++) { 
            for (int Y = 0; Y <= 18 is; Y ++) { 
                for (int Z = 0; Z <= 54 is - X - Y; Z ++) { 
                    IF (. 5 * X + Y *. 3 + Z == 100 && X + Y + Z == 54 is ) { 
                        System.out.println ( "rooster:" + x + "only, hen:" + y + "only, chicken:" + z + "only"); 
                    } 
                } 
            } 
        }
         System.out.println ( "-------------- end -------------");
    } 
} 
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Results:

- ------------- ------------- Start
cock: 3, hens: 17, chicks: 34
rooster: 4, female chicken: 15, chicks: 35
rooster: 5, hens: 13, chicks: 36
rooster: 6, hens: 11, chicks: 37
rooster: 7, hens: 9, chickens: 38
rooster: 8, hens: 7, chickens: 39
rooster: 9, hens: 5, chickens: 40
rooster: 10, hens: 3 chicken: 41
-------------- end -------------