#include<bits/stdc++.h>
using namespace std;
int n,t;
int a[105],b[105];
int n_[10];
int junfen[105];
int ans=0;
int main(){
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>a[i]>>b[i];
	}
	cin>>t;
	for(int i=0;i<n;i++){
		junfen[i]=100/a[i];
	}
	for(int i=0;i<n;i++){
		ans=ans+junfen[i]*b[i];
	}
	if(ans>=t){
		cout<<"Already Au.";
		return 0;
	} 
	else{
		for(int i=0;i<n;i++){
			if(a[i]>b[i]){
				for(int j=1;j<=a[i]-b[i];j++){
					if(ans+j*junfen[i]>=t) {
						cout<<j<<endl;
						break;
					}
					if(ans+(a[i]-b[i])*junfen[i]<t) cout<<"NaN"<<endl;
				}
				
			}
			else cout<<"NaN"<<endl;
		}
	}
	return 0;
}

50pts求调