import java.util.Scanner;
public class Main {

	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		int n = stdIn.nextInt(); 
		
		int x = stdIn.nextInt(); 
		
		int [] l = new int[n];
		
		for(int i = 0; i < n; i++) {
			l[i] = stdIn.nextInt();
		}
		
		int[] d = new int[n+1];
		d[0] = 0;
		
		int cnt = 1;
		
		for(int i = 1; i < n+1; i++) {
			
			d[i] = d[i-1] + l[i-1];
			
			if(d[i] <= x) {
				cnt++;
			}
			
			
		}
		System.out.println(cnt);

	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		int n = stdIn.nextInt(); 
		
		int x = stdIn.nextInt(); 
		
		int [] l = new int[n];
		
		for(int i = 0; i < n; i++) {
			l[i] = stdIn.nextInt();
		}
		
		int[] d = new int[n+1];
		d[0] = 0;
		
		int cnt = 1;
		
		for(int i = 1; i < n+1; i++) {
			
			d[i] = d[i-1] + l[i-1];
			
			if(d[i] <= x) {
				cnt++;
			}
			
			
		}
		System.out.println(cnt);

	}

} Main public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		int n = stdIn.nextInt(); 
		
		int x = stdIn.nextInt(); 
		
		int [] l = new int[n];
		
		for(int i = 0; i < n; i++) {
			l[i] = stdIn.nextInt();
		}
		
		int[] d = new int[n+1];
		d[0] = 0;
		
		int cnt = 1;
		
		for(int i = 1; i < n+1; i++) {
			
			d[i] = d[i-1] + l[i-1];
			
			if(d[i] <= x) {
				cnt++;
			}
			
			
		}
		System.out.println(cnt);

	} main {
		Scanner stdIn = new Scanner(System.in);

		int n = stdIn.nextInt(); 
		
		int x = stdIn.nextInt(); 
		
		int [] l = new int[n];
		
		for(int i = 0; i < n; i++) {
			l[i] = stdIn.nextInt();
		}
		
		int[] d = new int[n+1];
		d[0] = 0;
		
		int cnt = 1;
		
		for(int i = 1; i < n+1; i++) {
			
			d[i] = d[i-1] + l[i-1];
			
			if(d[i] <= x) {
				cnt++;
			}
			
			
		}
		System.out.println(cnt);

	} Scanner stdIn = new Scanner(System.in); stdIn new Scanner(System.in) int n = stdIn.nextInt(); n stdIn.nextInt() stdIn.nextInt stdIn int x = stdIn.nextInt(); x stdIn.nextInt() stdIn.nextInt stdIn int [] l = new int[n]; l new int[n] n for(int i = 0; i < n; i++) {
			l[i] = stdIn.nextInt();
		} int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
			l[i] = stdIn.nextInt();
		} {
			l[i] = stdIn.nextInt();
		} l[i] = stdIn.nextInt() l[i] l i stdIn.nextInt() stdIn.nextInt stdIn int[] d = new int[n+1]; d new int[n+1] n+1 n 1 d[0] = 0 d[0] d 0 0 int cnt = 1; cnt 1 for(int i = 1; i < n+1; i++) {
			
			d[i] = d[i-1] + l[i-1];
			
			if(d[i] <= x) {
				cnt++;
			}
			
			
		} int i = 1; int i = 1; i 1 i < n+1 i n+1 n 1 i++ i++ i {
			
			d[i] = d[i-1] + l[i-1];
			
			if(d[i] <= x) {
				cnt++;
			}
			
			
		} {
			
			d[i] = d[i-1] + l[i-1];
			
			if(d[i] <= x) {
				cnt++;
			}
			
			
		} d[i] = d[i-1] + l[i-1] d[i] d i d[i-1] + l[i-1] d[i-1] d i-1 i 1 l[i-1] l i-1 i 1 if(d[i] <= x) {
				cnt++;
			} d[i] <= x d[i] d i x {
				cnt++;
			} 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) {
		Scanner stdIn = new Scanner(System.in);

		int n = stdIn.nextInt(); 
		
		int x = stdIn.nextInt(); 
		
		int [] l = new int[n];
		
		for(int i = 0; i < n; i++) {
			l[i] = stdIn.nextInt();
		}
		
		int[] d = new int[n+1];
		d[0] = 0;
		
		int cnt = 1;
		
		for(int i = 1; i < n+1; i++) {
			
			d[i] = d[i-1] + l[i-1];
			
			if(d[i] <= x) {
				cnt++;
			}
			
			
		}
		System.out.println(cnt);

	}

} public class Main {

	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		int n = stdIn.nextInt(); 
		
		int x = stdIn.nextInt(); 
		
		int [] l = new int[n];
		
		for(int i = 0; i < n; i++) {
			l[i] = stdIn.nextInt();
		}
		
		int[] d = new int[n+1];
		d[0] = 0;
		
		int cnt = 1;
		
		for(int i = 1; i < n+1; i++) {
			
			d[i] = d[i-1] + l[i-1];
			
			if(d[i] <= x) {
				cnt++;
			}
			
			
		}
		System.out.println(cnt);

	}

} Main
import java.util.Scanner;
public class Main {

	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);

		int n = stdIn.nextInt(); 
		
		int x = stdIn.nextInt(); 
		
		int [] l = new int[n];
		
		for(int i = 0; i < n; i++) {
			l[i] = stdIn.nextInt();
		}
		
		int[] d = new int[n+1];
		d[0] = 0;
		
		int cnt = 1;
		
		for(int i = 1; i < n+1; i++) {
			
			d[i] = d[i-1] + l[i-1];
			
			if(d[i] <= x) {
				cnt++;
			}
			
			
		}
		System.out.println(cnt);

	}

}
