import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        
        int N = sc.nextInt();
        int X = sc.nextInt();
        
        int D = 0;
        int cnt = 1;
        for(int i=0; i<N; i++){
            D += sc.nextInt();
            if(D > X)   break;
            cnt++;
        }
        
        System.out.println(cnt);
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        
        int N = sc.nextInt();
        int X = sc.nextInt();
        
        int D = 0;
        int cnt = 1;
        for(int i=0; i<N; i++){
            D += sc.nextInt();
            if(D > X)   break;
            cnt++;
        }
        
        System.out.println(cnt);
    }
} Main public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        
        int N = sc.nextInt();
        int X = sc.nextInt();
        
        int D = 0;
        int cnt = 1;
        for(int i=0; i<N; i++){
            D += sc.nextInt();
            if(D > X)   break;
            cnt++;
        }
        
        System.out.println(cnt);
    } main {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        
        int N = sc.nextInt();
        int X = sc.nextInt();
        
        int D = 0;
        int cnt = 1;
        for(int i=0; i<N; i++){
            D += sc.nextInt();
            if(D > X)   break;
            cnt++;
        }
        
        System.out.println(cnt);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc int X = sc.nextInt(); X sc.nextInt() sc.nextInt sc int D = 0; D 0 int cnt = 1; cnt 1 for(int i=0; i<N; i++){
            D += sc.nextInt();
            if(D > X)   break;
            cnt++;
        } int i=0; int i=0; i 0 i<N i N i++ i++ i {
            D += sc.nextInt();
            if(D > X)   break;
            cnt++;
        } {
            D += sc.nextInt();
            if(D > X)   break;
            cnt++;
        } D += sc.nextInt() D sc.nextInt() sc.nextInt sc if(D > X)   break; D > X D X break; cnt++ cnt System.out.println(cnt) System.out.println System.out System System.out cnt String[] args args public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        
        int N = sc.nextInt();
        int X = sc.nextInt();
        
        int D = 0;
        int cnt = 1;
        for(int i=0; i<N; i++){
            D += sc.nextInt();
            if(D > X)   break;
            cnt++;
        }
        
        System.out.println(cnt);
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        
        int N = sc.nextInt();
        int X = sc.nextInt();
        
        int D = 0;
        int cnt = 1;
        for(int i=0; i<N; i++){
            D += sc.nextInt();
            if(D > X)   break;
            cnt++;
        }
        
        System.out.println(cnt);
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        
        int N = sc.nextInt();
        int X = sc.nextInt();
        
        int D = 0;
        int cnt = 1;
        for(int i=0; i<N; i++){
            D += sc.nextInt();
            if(D > X)   break;
            cnt++;
        }
        
        System.out.println(cnt);
    }
}
