#include <bits/stdc++.h>

using namespace std;
using namespace std;
clock_t a1, a2;

inline int read() {
    int x;
    scanf("%d", &x);
    return x;
}

int main() {
    freopen("D:/python/TangDou/QiuckReadWrite/a.txt", "r", stdin);
    int a;
    a1 = clock();
    for (int i = 0; i < 100000; ++i) a = read();
    a2 = clock();
    cout << (double) (a2 - a1) / CLOCKS_PER_SEC;
    return 0;
}