1346: 求100以内的奇数偶数和

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Description

例4.4    利用for循环分别计算1—100中奇数的和、偶数的和。




Input

无输入。


Output

两行,第一行输出“the sum of  odd  numbers  1 to 100 is : ”奇数和,第二行输出“the sum of  even  numbers  1 to 100 is : ”偶数和。(仔细对照样例输出)


Sample Input Copy


Sample Output Copy

the sum of  odd  numbers  1 to 100 is : 2500
the sum of  even  numbers  1 to 100 is : 2550

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