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mirror of https://git.sb/baoshuo/OI-codes.git synced 2025-01-26 15:00:07 +00:00
2021-01-02 15:30:52 +08:00

10 lines
137 B
C++

#include <bits/stdc++.h>
using namespace std;
int main() {
long long a;
cin >> a;
cout << 90ll - a << endl;
return 0;
}