import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ABC130_b solver = new ABC130_b();
        solver.solve(1, in, out);
        out.close();
    }

    static class ABC130_b {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int N = in.nextInt();
            int X = in.nextInt();
            int i = 1;
            int ttl = 0;
            for (i = 1; i <= N; i++) {
                ttl += in.nextInt();
                if (ttl > X) {
                    break;
                }

            }
            out.println(i);
        }

    }
}
 import java.io.OutputStream; OutputStream java.io import java.io.IOException; IOException java.io import java.io.InputStream; InputStream java.io import java.io.PrintWriter; PrintWriter java.io import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ABC130_b solver = new ABC130_b();
        solver.solve(1, in, out);
        out.close();
    }

    static class ABC130_b {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int N = in.nextInt();
            int X = in.nextInt();
            int i = 1;
            int ttl = 0;
            for (i = 1; i <= N; i++) {
                ttl += in.nextInt();
                if (ttl > X) {
                    break;
                }

            }
            out.println(i);
        }

    }
} Main public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ABC130_b solver = new ABC130_b();
        solver.solve(1, in, out);
        out.close();
    } main {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ABC130_b solver = new ABC130_b();
        solver.solve(1, in, out);
        out.close();
    } InputStream inputStream = System.in; inputStream System.in System System.in OutputStream outputStream = System.out; outputStream System.out System System.out Scanner in = new Scanner(inputStream); in new Scanner(inputStream) PrintWriter out = new PrintWriter(outputStream); out new PrintWriter(outputStream) ABC130_b solver = new ABC130_b(); solver new ABC130_b() solver.solve(1, in, out) solver.solve solver 1 in out out.close() out.close out String[] args args static class ABC130_b {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int N = in.nextInt();
            int X = in.nextInt();
            int i = 1;
            int ttl = 0;
            for (i = 1; i <= N; i++) {
                ttl += in.nextInt();
                if (ttl > X) {
                    break;
                }

            }
            out.println(i);
        }

    } ABC130_b public void solve(int testNumber, Scanner in, PrintWriter out) {
            int N = in.nextInt();
            int X = in.nextInt();
            int i = 1;
            int ttl = 0;
            for (i = 1; i <= N; i++) {
                ttl += in.nextInt();
                if (ttl > X) {
                    break;
                }

            }
            out.println(i);
        } solve {
            int N = in.nextInt();
            int X = in.nextInt();
            int i = 1;
            int ttl = 0;
            for (i = 1; i <= N; i++) {
                ttl += in.nextInt();
                if (ttl > X) {
                    break;
                }

            }
            out.println(i);
        } int N = in.nextInt(); N in.nextInt() in.nextInt in int X = in.nextInt(); X in.nextInt() in.nextInt in int i = 1; i 1 int ttl = 0; ttl 0 for (i = 1; i <= N; i++) {
                ttl += in.nextInt();
                if (ttl > X) {
                    break;
                }

            } i = 1; i = 1 i 1 i <= N i N i++ i++ i {
                ttl += in.nextInt();
                if (ttl > X) {
                    break;
                }

            } {
                ttl += in.nextInt();
                if (ttl > X) {
                    break;
                }

            } ttl += in.nextInt() ttl in.nextInt() in.nextInt in if (ttl > X) {
                    break;
                } ttl > X ttl X {
                    break;
                } break; out.println(i) out.println out i int testNumber testNumber Scanner in in PrintWriter out out public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ABC130_b solver = new ABC130_b();
        solver.solve(1, in, out);
        out.close();
    }

    static class ABC130_b {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int N = in.nextInt();
            int X = in.nextInt();
            int i = 1;
            int ttl = 0;
            for (i = 1; i <= N; i++) {
                ttl += in.nextInt();
                if (ttl > X) {
                    break;
                }

            }
            out.println(i);
        }

    }
} public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ABC130_b solver = new ABC130_b();
        solver.solve(1, in, out);
        out.close();
    }

    static class ABC130_b {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int N = in.nextInt();
            int X = in.nextInt();
            int i = 1;
            int ttl = 0;
            for (i = 1; i <= N; i++) {
                ttl += in.nextInt();
                if (ttl > X) {
                    break;
                }

            }
            out.println(i);
        }

    }
} Main
import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ABC130_b solver = new ABC130_b();
        solver.solve(1, in, out);
        out.close();
    }

    static class ABC130_b {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int N = in.nextInt();
            int X = in.nextInt();
            int i = 1;
            int ttl = 0;
            for (i = 1; i <= N; i++) {
                ttl += in.nextInt();
                if (ttl > X) {
                    break;
                }

            }
            out.println(i);
        }

    }
}

