百钱百鸡

for x in range(0,20):
    for y in range(0,33):
        z=100-x-y
        if 5*x + 3*y + z/3 == 100:
            print('公鸡：%d只，母鸡：%d只，雏鸡：%d只'%(x,y,z))

#百钱百鸡