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#include <bits/stdc++.h> using namespace std; int main() { int year = 1882; // 静岡高校の開校年 int current_year = 2023; // 現在の西暦年（適宜変更してください） cin>> current_year; if (current_year >= year) { int first_year = current_year - year + 1; cout << first_year << endl; } else { cout << -1 << endl; } return 0; }