#include <iostream>using namespace std; int main(){ int n; cin >> n; n = n > 50 ? n - 1 : n; cout << n; return 0;}
#include <iostream>using namespace std;
#include <iostream>
using namespace std;
int main(){ int n; cin >> n; n = n > 50 ? n - 1 : n; cout << n; return 0;}
int main(){
int n;
cin >> n;
n = n > 50 ? n - 1 : n;
cout << n;
return 0;
}