#include <iostream>
#include <utility>
using namespace std;

int main() 
{
    pair <int, int> pr1;
    pr1.first = 1;
    pr1.second = 20;
    
    pair <int, int> pr2;
    pr2.first = 2;
    pr2.second = 30;
    
    pr1.first = pr2.first++ + ++pr1.first;
    pr2.second = pr2.second++ - --pr2.second;
    cout << pr1.first <<\" \" << pr2.second;
    
    return 0;
}