#include <bits/stdc++.h>
#define loop(i,a,b) for(int i=a;i<=b;i++)
#define ll long long
#define ar array
#define INF 1e9
#define ln '/n'
///folosesti scanf si printf!!!
using namespace std;
ifstream f("date.in");
ofstream g("date.out");
char a;
int main(){
while(f>>a){

}
}