import java.util.Scanner;

public class Main{
  public static void main(String[] args){
   Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int x = sc.nextInt();
    
    int[] l = new int[n];
    int bound = 0;
    int count = 1;
    
    for(int i =0; i < n; i++){
      bound += sc.nextInt();
      
      if(bound > x){
        break;
     }   
      count++;
    }
    System.out.println(count);
  }
 } import java.util.Scanner; Scanner 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[] l = new int[n];
    int bound = 0;
    int count = 1;
    
    for(int i =0; i < n; i++){
      bound += sc.nextInt();
      
      if(bound > x){
        break;
     }   
      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[] l = new int[n];
    int bound = 0;
    int count = 1;
    
    for(int i =0; i < n; i++){
      bound += sc.nextInt();
      
      if(bound > x){
        break;
     }   
      count++;
    }
    System.out.println(count);
  } main {
   Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int x = sc.nextInt();
    
    int[] l = new int[n];
    int bound = 0;
    int count = 1;
    
    for(int i =0; i < n; i++){
      bound += sc.nextInt();
      
      if(bound > x){
        break;
     }   
      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[] l = new int[n]; l new int[n] n int bound = 0; bound 0 int count = 1; count 1 for(int i =0; i < n; i++){
      bound += sc.nextInt();
      
      if(bound > x){
        break;
     }   
      count++;
    } int i =0; int i =0; i 0 i < n i n i++ i++ i {
      bound += sc.nextInt();
      
      if(bound > x){
        break;
     }   
      count++;
    } {
      bound += sc.nextInt();
      
      if(bound > x){
        break;
     }   
      count++;
    } bound += sc.nextInt() bound sc.nextInt() sc.nextInt sc if(bound > x){
        break;
     } bound > x bound x {
        break;
     } break; 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[] l = new int[n];
    int bound = 0;
    int count = 1;
    
    for(int i =0; i < n; i++){
      bound += sc.nextInt();
      
      if(bound > x){
        break;
     }   
      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[] l = new int[n];
    int bound = 0;
    int count = 1;
    
    for(int i =0; i < n; i++){
      bound += sc.nextInt();
      
      if(bound > x){
        break;
     }   
      count++;
    }
    System.out.println(count);
  }
 } Main
import java.util.Scanner;

public class Main{
  public static void main(String[] args){
   Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int x = sc.nextInt();
    
    int[] l = new int[n];
    int bound = 0;
    int count = 1;
    
    for(int i =0; i < n; i++){
      bound += sc.nextInt();
      
      if(bound > x){
        break;
     }   
      count++;
    }
    System.out.println(count);
  }
 }