The input contains a single integer *a* (10 ≤ *a* ≤ 999).

Output 0 or 1.
The input contains a single integer *a* (10 ≤ *a* ≤ 999).
none
13
1
927
1
48
0
10
0
999
1
142
0
309
1
572
0
835
1
990
0
168
0
431
1
694
0
957
1
932
0
'''n=int(input())
x=0
for i in range(n):
    s=input()
    if s=='++X':
        x+=1
    else:
        x-=1
print(x)
'''
'''
n=int(input())
l=list(map(int,input().split()))
c=0
for i in range(1,n,1):
    if l[i-1]<=l[i]:
        c+=1
print(c)
'''
n=int(input())
if n%2==0:
    print(0)
else:
    print(1)
    
