Problem E
Time Limit: 1 second
Memory Limit: 1000K


Let An=sin(1–sin(2+sin(3–sin(4+...sin(n))...)
Let Sn=(...(A1+n)A2+n-1)A3+...+2)An+1
For given N print SN

Input

One number N <= 200

Output

Line containing SN

Sample Input

3

Sample Output

((sin(1)+3)sin(1–sin(2))+2)sin(1–sin(2+sin(3)))+1