#include <bits/stdc++.h>
#define FAST ios_base::sync_with_stdio(0)
#define dbug(x) cout<<x<<" "
using namespace std;
int main()
{
FAST;
int n , s;
while(cin>>n>>s){
long long a[n] ,sum = 0,low=0, ans = n+2;
for(int i = 0; i < n; i++){
cin>>a[i];
sum+=a[i];
while(sum>=s){
ans=min(ans,i-low+1);
sum-=a[low];
low++;
}
}
if(ans == n+2)ans = 0;
cout<<ans<<'\n';
}
return 0;
}
#define FAST ios_base::sync_with_stdio(0)
#define dbug(x) cout<<x<<" "
using namespace std;
int main()
{
FAST;
int n , s;
while(cin>>n>>s){
long long a[n] ,sum = 0,low=0, ans = n+2;
for(int i = 0; i < n; i++){
cin>>a[i];
sum+=a[i];
while(sum>=s){
ans=min(ans,i-low+1);
sum-=a[low];
low++;
}
}
if(ans == n+2)ans = 0;
cout<<ans<<'\n';
}
return 0;
}
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