#2671. Calc

　一行一个数N

　一行一个数表示答案

数据规模和约定

Test N Test N

1 <=10 11 <=5*10^7

2 <=50 12 <=10^8

3 <=10^3 13 <=2*10^8

4 <=5*10^3 14 <=3*10^8

5 <=2*10^4 15 <=5*10^8

6 <=2*10^5 16 <=10^9

7 <=2*10^6 17 <=10^9

8 <=10^7 18 <=2^31-1

9 <=2*10^7 19 <=2^31-1

10 <=3*10^7 20 <=2^31-1