T1

#include <bits/stdc++.h>
using namespace std;

int main() {
    int a, b;
    cin >> a >> b;
    a *= 1000;
    cout << ceil(a * 1.0 / b);
    return 0;
}

T2

#include <bits/stdc++.h>  
using namespace std;  
  
int main() {  
    cout << "7744";  
    return 0;  
}

T3

#include <bits/stdc++.h>
using namespace std;

int main() {
    cout << "67 C" << endl;
    cout << "71 G" << endl;
    cout << "73 I" << endl;
    cout << "79 O" << endl;
    cout << "83 S" << endl;
    cout << "89 Y" << endl;
    cout << "97 a" << endl;
    cout << "101 e" << endl;
    cout << "103 g" << endl;
    cout << "107 k" << endl;
    cout << "109 m" << endl;
    cout << "113 q" << endl;
    return 0;
}

T4

#include <bits/stdc++.h>
using namespace std;

int main() {
    string a,b;
    cin>>a;
    cin>>b;
    reverse(b.begin(),b.end());
    int len=b.size();
    for (int i=0;i<len;i++) {
        if (a[i]=='#')cout<<b[i];
    }
    return 0;
}

T5

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);//没a，盲猜TLE 60分
    cin.tie(nullptr);
    cout.tie(nullptr);
    int T;
    scanf("%d", &T);
    while (T--) {
        int n, m;
        scanf("%d %d", &n, &m);
        int b = 0;
        if (m == 1) {
            b = 1;
        } else {
            int a = m * (m - 1) / 2;
            for (int y = 0; y <= n / a; y++) {
                int t = n - a * y;
                if (t >= 0 && t % m == 0) {
                    b++;
                }
            }
        }
        printf("%d\n", b);
    }
    return 0;
}

T6

//no会（懒