题解 | #百钱买百鸡问题#

if __name__ == "__main__":
    start = input()
    """
        根据多元方程计算出鸡翁(x)与鸡母(y)的关系：7x+4y=100;鸡雏(z)=100-x-y
    """
    for x in range(100//7):
        validY = (100 - 7*x)%4
        if validY == 0:
            y = (100 - 7*x)/4
            z = 100 - x - y 
            print(str(int(x))+" "+str(int(y))+" "+str(int(z)))