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#include<bits/stdc++.h>
using namespace std;
int main(){
int n,m,x,y,maxn=-1e9,minn=1e9;
cin>>n>>m>>x>>y;
for(int i=1;i<=n;i++) {
int b;
cin>>b;
maxn=max(maxn,b);
}
for(int i=1;i<=m;i++) {
int c;
cin>>c;
minn=min(minn,c);
}
for(int i=x+1;i<=y;i++){
if(i>maxn&&i<=minn) {
cout<<"No War";
return 0;
}
}
cout<<"War";
return 0;
}
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