t=int(input())
for i in range(t):
n=int(input())
r=n%6
if (n<=6):
print(15)
elif (r==0):
print(int(n*2.5))
elif (r<=2):
print(int((((int(n/6)*6)-6)+8)*2.5))
elif (r<=4):
p4=int((((int(n/6)*6)-6)+10)*2.5)
print(p4)
else:
print(int(((int(n/6)*6)+6)*2.5))