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OI-codes/Luogu/P1421/P1421.cpp

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2021-09-30 04:57:34 +00:00
#include <bits/stdc++.h>
using namespace std;
int a, b, c;
int main() {
cin >> a >> b;
c = a * 10 + b;
cout << floor(c / 19) << endl;
return 0;
}