def Is(a):
for i in range(2,a):
if a%i==0:
return False
return True
n=int(input())
b=[]
s=0
for c in range(2,n+1):
if Is(c):
b.append(str(c))
d=b[-10::]
for g in d:
s+=int(g)
print(s)
def Is(a):
for i in range(2,a):
if a%i==0:
return False
return True
n=int(input())
b=[]
s=0
for c in range(2,n+1):
if Is(c):
b.append(str(c))
d=b[-10::]
for g in d:
s+=int(g)
print(s)