#include <iostream>
#include <algorithm>
#include <cstdio>
#include <vector>
#include <set>
#include <cstdlib>
#include <ctime>
#include <cmath>
using namespace std;

typedef unsigned long long ll;
typedef double ld;
const int N=100000;
ld ans[N];
int main()
{
    ios_base::sync_with_stdio(false);
    freopen("23.a", "r", stdin);
    for(int i=0;i<N;i++)
        cin>>ans[i];
    freopen("painting.out","r",stdin);
    ld x;
    for(int i=0;i<N;i++)
    {
        cin>>x;
        if (fabs(x-ans[i])>1e-4)
            cout<<"WA on seg "<<i+1<<": correct is "<<ans[i]<<", out is "<<x<<"\n";
    }
    return 0;
}