nijimura

#include <iostream>
#include <string>
int main() {
    std::ios_base::sync_with_stdio(0);
    std::cin.tie(0);
    int queries, pos1, pos2;
    long long ll1 = INT64_MIN, ll2 = INT64_MIN;
    std::string num;
    std::cin >> queries;
    for(int i = 0; i < queries; ++i) {
        num = "";
        std::cin >> num;
        if (num != "*") {
            if(ll1 != INT64_MIN && ll2 == INT64_MIN) {
                ll2 = stoll(num);
                pos2 = i;
            }
            if(ll1 == INT64_MIN) {
                ll1 = stoll(num);
                pos1 = i;
                if(i == 0) firGiv = 1;
            }

            if (ll2 != INT64_MIN) {
                ll2 -= ll1;
                ll2 /= (pos2 - pos1);
                break;
            }
        }
    }
    std::cout << (ll1 - (pos1 * ll2)) << ' ' << ll2 << '\n';
 }