import math
A=40
f=.2
l=100
t=2
rng = range(-A,A+1)
rng.reverse()
for i in rng:
    phrase=''
    for ii in range(l):
        if int(A*math.cos(f*ii))-t<i<int(A*math.cos(f*ii))+t:
            phrase+='~'
        else:
            phrase+=' '
    print(phrase)