import java.util.*;


class Main{
    public static void main(String argv[]) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int X = sc.nextInt();
        int now = 0;
        int count = 1;
        for(int i=0;i<N;i++){
            now = now + sc.nextInt();
            if(now <= X)count++;
        }
        System.out.println(count);
    }
} import java.util.*; util.* java class Main{
    public static void main(String argv[]) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int X = sc.nextInt();
        int now = 0;
        int count = 1;
        for(int i=0;i<N;i++){
            now = now + sc.nextInt();
            if(now <= X)count++;
        }
        System.out.println(count);
    }
} Main public static void main(String argv[]) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int X = sc.nextInt();
        int now = 0;
        int count = 1;
        for(int i=0;i<N;i++){
            now = now + sc.nextInt();
            if(now <= X)count++;
        }
        System.out.println(count);
    } main {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int X = sc.nextInt();
        int now = 0;
        int count = 1;
        for(int i=0;i<N;i++){
            now = now + sc.nextInt();
            if(now <= X)count++;
        }
        System.out.println(count);
    } 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 now = 0; now 0 int count = 1; count 1 for(int i=0;i<N;i++){
            now = now + sc.nextInt();
            if(now <= X)count++;
        } int i=0; int i=0; i 0 i<N i N i++ i++ i {
            now = now + sc.nextInt();
            if(now <= X)count++;
        } {
            now = now + sc.nextInt();
            if(now <= X)count++;
        } now = now + sc.nextInt() now now + sc.nextInt() now sc.nextInt() sc.nextInt sc if(now <= X)count++; now <= X now X count++ count System.out.println(count) System.out.println System.out System System.out count String argv[] argv
import java.util.*;


class Main{
    public static void main(String argv[]) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int X = sc.nextInt();
        int now = 0;
        int count = 1;
        for(int i=0;i<N;i++){
            now = now + sc.nextInt();
            if(now <= X)count++;
        }
        System.out.println(count);
    }
}