import java.io.IOException;
import java.io.InputStream;
import java.util.NoSuchElementException;

public class Main {
	public static void main(String args[]) {
		FastScanner scanner = new FastScanner();
		int n=scanner.nextInt();
		int q=scanner.nextInt();
		String s=scanner.next();
		int[] l=new int[q];
		int[] r=new int[q];
		for(int i=0;i<q;i++) {
			l[i]=scanner.nextInt()-1;
			r[i]=scanner.nextInt()-1;
		}
		int[] p=new int[s.length()];
		char pre=s.charAt(0);
		for(int i=1;i<s.length();i++) {
			char now=s.charAt(i);
			if(pre=='A'&&now=='C') {
				p[i]=1;
			}
			pre=now;
		}
		for(int i=1;i<s.length();i++) {
			p[i]+=p[i-1];
		}
		StringBuilder sb=new StringBuilder();
		for(int i=0;i<q;i++) {
			if(l[i]==0) {
				int ans=p[r[i]];
				sb.append(ans+"\n");
				continue;
			}
			int ans=p[r[i]]-p[l[i]];
			sb.append(ans+"\n");
		}
		System.out.println(sb);
	}
}
class FastScanner {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }
    private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
    private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
    public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();}
    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
    public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
        return (int) nl;
    }
    public double nextDouble() { return Double.parseDouble(next());}
} import java.io.IOException; IOException java.io import java.io.InputStream; InputStream java.io import java.util.NoSuchElementException; NoSuchElementException java.util public class Main {
	public static void main(String args[]) {
		FastScanner scanner = new FastScanner();
		int n=scanner.nextInt();
		int q=scanner.nextInt();
		String s=scanner.next();
		int[] l=new int[q];
		int[] r=new int[q];
		for(int i=0;i<q;i++) {
			l[i]=scanner.nextInt()-1;
			r[i]=scanner.nextInt()-1;
		}
		int[] p=new int[s.length()];
		char pre=s.charAt(0);
		for(int i=1;i<s.length();i++) {
			char now=s.charAt(i);
			if(pre=='A'&&now=='C') {
				p[i]=1;
			}
			pre=now;
		}
		for(int i=1;i<s.length();i++) {
			p[i]+=p[i-1];
		}
		StringBuilder sb=new StringBuilder();
		for(int i=0;i<q;i++) {
			if(l[i]==0) {
				int ans=p[r[i]];
				sb.append(ans+"\n");
				continue;
			}
			int ans=p[r[i]]-p[l[i]];
			sb.append(ans+"\n");
		}
		System.out.println(sb);
	}
} Main public static void main(String args[]) {
		FastScanner scanner = new FastScanner();
		int n=scanner.nextInt();
		int q=scanner.nextInt();
		String s=scanner.next();
		int[] l=new int[q];
		int[] r=new int[q];
		for(int i=0;i<q;i++) {
			l[i]=scanner.nextInt()-1;
			r[i]=scanner.nextInt()-1;
		}
		int[] p=new int[s.length()];
		char pre=s.charAt(0);
		for(int i=1;i<s.length();i++) {
			char now=s.charAt(i);
			if(pre=='A'&&now=='C') {
				p[i]=1;
			}
			pre=now;
		}
		for(int i=1;i<s.length();i++) {
			p[i]+=p[i-1];
		}
		StringBuilder sb=new StringBuilder();
		for(int i=0;i<q;i++) {
			if(l[i]==0) {
				int ans=p[r[i]];
				sb.append(ans+"\n");
				continue;
			}
			int ans=p[r[i]]-p[l[i]];
			sb.append(ans+"\n");
		}
		System.out.println(sb);
	} main {
		FastScanner scanner = new FastScanner();
		int n=scanner.nextInt();
		int q=scanner.nextInt();
		String s=scanner.next();
		int[] l=new int[q];
		int[] r=new int[q];
		for(int i=0;i<q;i++) {
			l[i]=scanner.nextInt()-1;
			r[i]=scanner.nextInt()-1;
		}
		int[] p=new int[s.length()];
		char pre=s.charAt(0);
		for(int i=1;i<s.length();i++) {
			char now=s.charAt(i);
			if(pre=='A'&&now=='C') {
				p[i]=1;
			}
			pre=now;
		}
		for(int i=1;i<s.length();i++) {
			p[i]+=p[i-1];
		}
		StringBuilder sb=new StringBuilder();
		for(int i=0;i<q;i++) {
			if(l[i]==0) {
				int ans=p[r[i]];
				sb.append(ans+"\n");
				continue;
			}
			int ans=p[r[i]]-p[l[i]];
			sb.append(ans+"\n");
		}
		System.out.println(sb);
	} FastScanner scanner = new FastScanner(); scanner new FastScanner() int n=scanner.nextInt(); n scanner.nextInt() scanner.nextInt scanner int q=scanner.nextInt(); q scanner.nextInt() scanner.nextInt scanner String s=scanner.next(); s scanner.next() scanner.next scanner int[] l=new int[q]; l new int[q] q int[] r=new int[q]; r new int[q] q for(int i=0;i<q;i++) {
			l[i]=scanner.nextInt()-1;
			r[i]=scanner.nextInt()-1;
		} int i=0; int i=0; i 0 i<q i q i++ i++ i {
			l[i]=scanner.nextInt()-1;
			r[i]=scanner.nextInt()-1;
		} {
			l[i]=scanner.nextInt()-1;
			r[i]=scanner.nextInt()-1;
		} l[i]=scanner.nextInt()-1 l[i] l i scanner.nextInt()-1 scanner.nextInt() scanner.nextInt scanner 1 r[i]=scanner.nextInt()-1 r[i] r i scanner.nextInt()-1 scanner.nextInt() scanner.nextInt scanner 1 int[] p=new int[s.length()]; p new int[s.length()] s.length() s.length s char pre=s.charAt(0); pre s.charAt(0) s.charAt s 0 for(int i=1;i<s.length();i++) {
			char now=s.charAt(i);
			if(pre=='A'&&now=='C') {
				p[i]=1;
			}
			pre=now;
		} int i=1; int i=1; i 1 i<s.length() i s.length() s.length s i++ i++ i {
			char now=s.charAt(i);
			if(pre=='A'&&now=='C') {
				p[i]=1;
			}
			pre=now;
		} {
			char now=s.charAt(i);
			if(pre=='A'&&now=='C') {
				p[i]=1;
			}
			pre=now;
		} char now=s.charAt(i); now s.charAt(i) s.charAt s i if(pre=='A'&&now=='C') {
				p[i]=1;
			} pre=='A'&&now=='C' pre=='A' pre 'A' now=='C' now 'C' {
				p[i]=1;
			} p[i]=1 p[i] p i 1 pre=now pre now for(int i=1;i<s.length();i++) {
			p[i]+=p[i-1];
		} int i=1; int i=1; i 1 i<s.length() i s.length() s.length s i++ i++ i {
			p[i]+=p[i-1];
		} {
			p[i]+=p[i-1];
		} p[i]+=p[i-1] p[i] p i p[i-1] p i-1 i 1 StringBuilder sb=new StringBuilder(); sb new StringBuilder() for(int i=0;i<q;i++) {
			if(l[i]==0) {
				int ans=p[r[i]];
				sb.append(ans+"\n");
				continue;
			}
			int ans=p[r[i]]-p[l[i]];
			sb.append(ans+"\n");
		} int i=0; int i=0; i 0 i<q i q i++ i++ i {
			if(l[i]==0) {
				int ans=p[r[i]];
				sb.append(ans+"\n");
				continue;
			}
			int ans=p[r[i]]-p[l[i]];
			sb.append(ans+"\n");
		} {
			if(l[i]==0) {
				int ans=p[r[i]];
				sb.append(ans+"\n");
				continue;
			}
			int ans=p[r[i]]-p[l[i]];
			sb.append(ans+"\n");
		} if(l[i]==0) {
				int ans=p[r[i]];
				sb.append(ans+"\n");
				continue;
			} l[i]==0 l[i] l i 0 {
				int ans=p[r[i]];
				sb.append(ans+"\n");
				continue;
			} int ans=p[r[i]]; ans p[r[i]] p r[i] r i sb.append(ans+"\n") sb.append sb ans+"\n" ans "\n" continue; int ans=p[r[i]]-p[l[i]]; ans p[r[i]]-p[l[i]] p[r[i]] p r[i] r i p[l[i]] p l[i] l i sb.append(ans+"\n") sb.append sb ans+"\n" ans "\n" System.out.println(sb) System.out.println System.out System System.out sb String args[] args class FastScanner {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }
    private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
    private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
    public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();}
    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
    public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
        return (int) nl;
    }
    public double nextDouble() { return Double.parseDouble(next());}
} FastScanner private final InputStream in = System.in; in System.in System System.in private final byte[] buffer = new byte[1024]; buffer new byte[1024] 1024 private int ptr = 0; ptr 0 private int buflen = 0; buflen 0 private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    } hasNextByte {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    } if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        } ptr < buflen ptr buflen {
            return true;
        } return true; true {
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        } ptr = 0 ptr 0 try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            } IOException e {
                e.printStackTrace();
            } e.printStackTrace() e.printStackTrace e {
                buflen = in.read(buffer);
            } buflen = in.read(buffer) buflen in.read(buffer) in.read in buffer if (buflen <= 0) {
                return false;
            } buflen <= 0 buflen 0 {
                return false;
            } return false; false return true; true private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;} readByte { if (hasNextByte()) return buffer[ptr++]; else return -1;} if (hasNextByte()) return buffer[ptr++]; else return -1; hasNextByte() hasNextByte return buffer[ptr++]; buffer[ptr++] buffer ptr++ ptr return -1; -1 1 private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} isPrintableChar { return 33 <= c && c <= 126;} return 33 <= c && c <= 126; 33 <= c && c <= 126 33 <= c 33 c c <= 126 c 126 int c c public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();} hasNext { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();} while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; hasNextByte() && !isPrintableChar(buffer[ptr]) hasNextByte() hasNextByte !isPrintableChar(buffer[ptr]) isPrintableChar(buffer[ptr]) isPrintableChar buffer[ptr] buffer ptr ptr++ ptr return hasNextByte(); hasNextByte() hasNextByte public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    } next {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    } if (!hasNext()) throw new NoSuchElementException(); !hasNext() hasNext() hasNext throw new NoSuchElementException(); new NoSuchElementException() StringBuilder sb = new StringBuilder(); sb new StringBuilder() int b = readByte(); b readByte() readByte while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        } isPrintableChar(b) isPrintableChar b {
            sb.appendCodePoint(b);
            b = readByte();
        } sb.appendCodePoint(b) sb.appendCodePoint sb b b = readByte() b readByte() readByte return sb.toString(); sb.toString() sb.toString sb public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    } nextLong {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    } if (!hasNext()) throw new NoSuchElementException(); !hasNext() hasNext() hasNext throw new NoSuchElementException(); new NoSuchElementException() long n = 0; n 0 boolean minus = false; minus false int b = readByte(); b readByte() readByte if (b == '-') {
            minus = true;
            b = readByte();
        } b == '-' b '-' {
            minus = true;
            b = readByte();
        } minus = true minus true b = readByte() b readByte() readByte if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        } b < '0' || '9' < b b < '0' b '0' '9' < b '9' b {
            throw new NumberFormatException();
        } throw new NumberFormatException(); new NumberFormatException() while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        } true {
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        } if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            } '0' <= b && b <= '9' '0' <= b '0' b b <= '9' b '9' {
                n *= 10;
                n += b - '0';
            } n *= 10 n 10 n += b - '0' n b - '0' b '0' if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            } b == -1 || !isPrintableChar(b) b == -1 b -1 1 !isPrintableChar(b) isPrintableChar(b) isPrintableChar b {
                return minus ? -n : n;
            } return minus ? -n : n; minus ? -n : n minus -n n n {
                throw new NumberFormatException();
            } throw new NumberFormatException(); new NumberFormatException() b = readByte() b readByte() readByte public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
        return (int) nl;
    } nextInt {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
        return (int) nl;
    } long nl = nextLong(); nl nextLong() nextLong if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE nl < Integer.MIN_VALUE nl Integer.MIN_VALUE Integer Integer.MIN_VALUE nl > Integer.MAX_VALUE nl Integer.MAX_VALUE Integer Integer.MAX_VALUE throw new NumberFormatException(); new NumberFormatException() return (int) nl; (int) nl public double nextDouble() { return Double.parseDouble(next());} nextDouble { return Double.parseDouble(next());} return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next public class Main {
	public static void main(String args[]) {
		FastScanner scanner = new FastScanner();
		int n=scanner.nextInt();
		int q=scanner.nextInt();
		String s=scanner.next();
		int[] l=new int[q];
		int[] r=new int[q];
		for(int i=0;i<q;i++) {
			l[i]=scanner.nextInt()-1;
			r[i]=scanner.nextInt()-1;
		}
		int[] p=new int[s.length()];
		char pre=s.charAt(0);
		for(int i=1;i<s.length();i++) {
			char now=s.charAt(i);
			if(pre=='A'&&now=='C') {
				p[i]=1;
			}
			pre=now;
		}
		for(int i=1;i<s.length();i++) {
			p[i]+=p[i-1];
		}
		StringBuilder sb=new StringBuilder();
		for(int i=0;i<q;i++) {
			if(l[i]==0) {
				int ans=p[r[i]];
				sb.append(ans+"\n");
				continue;
			}
			int ans=p[r[i]]-p[l[i]];
			sb.append(ans+"\n");
		}
		System.out.println(sb);
	}
} public class Main {
	public static void main(String args[]) {
		FastScanner scanner = new FastScanner();
		int n=scanner.nextInt();
		int q=scanner.nextInt();
		String s=scanner.next();
		int[] l=new int[q];
		int[] r=new int[q];
		for(int i=0;i<q;i++) {
			l[i]=scanner.nextInt()-1;
			r[i]=scanner.nextInt()-1;
		}
		int[] p=new int[s.length()];
		char pre=s.charAt(0);
		for(int i=1;i<s.length();i++) {
			char now=s.charAt(i);
			if(pre=='A'&&now=='C') {
				p[i]=1;
			}
			pre=now;
		}
		for(int i=1;i<s.length();i++) {
			p[i]+=p[i-1];
		}
		StringBuilder sb=new StringBuilder();
		for(int i=0;i<q;i++) {
			if(l[i]==0) {
				int ans=p[r[i]];
				sb.append(ans+"\n");
				continue;
			}
			int ans=p[r[i]]-p[l[i]];
			sb.append(ans+"\n");
		}
		System.out.println(sb);
	}
} Main
import java.io.IOException;
import java.io.InputStream;
import java.util.NoSuchElementException;

public class Main {
	public static void main(String args[]) {
		FastScanner scanner = new FastScanner();
		int n=scanner.nextInt();
		int q=scanner.nextInt();
		String s=scanner.next();
		int[] l=new int[q];
		int[] r=new int[q];
		for(int i=0;i<q;i++) {
			l[i]=scanner.nextInt()-1;
			r[i]=scanner.nextInt()-1;
		}
		int[] p=new int[s.length()];
		char pre=s.charAt(0);
		for(int i=1;i<s.length();i++) {
			char now=s.charAt(i);
			if(pre=='A'&&now=='C') {
				p[i]=1;
			}
			pre=now;
		}
		for(int i=1;i<s.length();i++) {
			p[i]+=p[i-1];
		}
		StringBuilder sb=new StringBuilder();
		for(int i=0;i<q;i++) {
			if(l[i]==0) {
				int ans=p[r[i]];
				sb.append(ans+"\n");
				continue;
			}
			int ans=p[r[i]]-p[l[i]];
			sb.append(ans+"\n");
		}
		System.out.println(sb);
	}
}
class FastScanner {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }
    private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
    private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
    public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();}
    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
    public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
        return (int) nl;
    }
    public double nextDouble() { return Double.parseDouble(next());}
}
