#include <iostream>
#include <math.h>
using namespace std;
int main() {
// your code goes here
char a[255];
char i = 0;
long maxprimenow = 0;
long check = 0;
char round = 0;
cin >> a;
if (a[0] == 0) {
cout<<"0";
}
else {
cout<<"1";
}
return 0;
}
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