#include <bits/stdc++.h> using namespace std; int NUM ( int &a) { int b=a-1; int c=a-2; if(a<=2) return 1; else return NUM(b) + NUM (c); } int main() { int NUMx , NUMy; cin >> NUMx ; cout << NUM (NUMx); return 0; }
#include <bits/stdc++.h> using namespace std; int NUM ( int &a) { int b=a-1; int c=a-2; if(a<=2) return 1; else return NUM(b) + NUM (c); } int main() { int NUMx , NUMy; cin >> NUMx ; cout << NUM (NUMx); return 0; }