n1=2
n2=3
n3=4
n4=3
n5=3
n6=2
n7=3
n8=3
n9=3
n10=3
n11=2
n12=1

l=[n1,n2,n3,n4,n5,n6,n7,n8,n9,n10,n11,n12]

sum=0
for i in range(len(l)):
    sum+=l[i]

print(sum)