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A. Quirky Quantifiers
time limit per test
2 seconds
memory limit per test
64 megabytes
input
standard input
output
standard output
Input

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

Output

Output 0 or 1.

Examples
Input
13
Output
1
Input
927
Output
1
Input
48
Output
0