#include using namespace std; #define REP(i,n) for(int i=0;i<(n);i++) typedef long long ll; typedef vector vi; typedef vector vvi; #define pii pair #define piii pair #define mp make_pair #define pb push_back #define ALL(a) (a).begin(),(a).end() #define FST first #define SEC second const int INF = (INT_MAX/2); const ll LINF = (LLONG_MAX/2); const double eps = 1e-14; const double PI = M_PI; #define DEB cout<<"!"< Array; typedef vector matrix; int main(){ int Y; cin >> Y; cout << 2017 - Y << endl; return 0; }