import java.util.*;

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

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