#include <stdio.h>void solve() {int a = 3;int res = a++ + ++a + a++ + ++a;printf("%d", res);}int main() {solve();return 0;}
void solve() {stack<int> s;s.push(1);s.push(2);s.push(3);for(int i = 1; i <= 3; i++) {cout << s.top() << " ";s.pop();}}