Codeforces - 570B Java
//package com.company;
import java.io.*;
import java.util.*;
//public class SimpleGame {
public class Main {
public static void main(String[] args) throws IOException {
int a=sc.nextInt(),b=sc.nextInt();
int half=a/2;//3 1//2
if(half>=b){
int ans=b+1;
out.println((ans==0?1:ans)+"");
}else {
int ans=b-1;
out.println((ans==0?1:ans)+"");
}
close.close();
}
static class Sc {
final private int BUFFER_SIZE = 1 << 16;
private DataInputStream din;
private byte[] buffer;
private int bufferPointer, bytesRead;
public Sc() {
din = new DataInputStream(System.in);
buffer = new byte[BUFFER_SIZE];
bufferPointer = bytesRead = 0;
}
public Sc(String file_name) throws IOException {
din = new DataInputStream(new FileInputStream(file_name));
buffer = new byte[BUFFER_SIZE];
bufferPointer = bytesRead = 0;
}
public String readLine() throws IOException {
byte[] buf = new byte[64]; // line length
int cnt = 0, c;
while ((c = read()) != -1) {
if (c == '\n')
break;
buf[cnt++] = (byte) c;
}
return new String(buf, 0, cnt);
}
public String nextString() throws IOException {
StringBuilder sb = new StringBuilder();
int n = read();
while (isWhiteSpace(n))
n = read();
while (!isWhiteSpace(n)) {
sb.append((char) n);
n = read();
}
return sb.toString();
}
private boolean isWhiteSpace(int n) {
if (n == ' ' || n == '\n' || n == '\r' || n == '\t' || n == -1)
return true;
return false;
}
public int nextInt() throws IOException {
int ret = 0;
byte c = read();
while (c <= ' ')
c = read();
boolean neg = (c == '-');
if (neg)
c = read();
do {
ret = ret * 10 + c - '0';
} while ((c = read()) >= '0' && c <= '9');
if (neg)
return -ret;
return ret;
}
public long nextLong() throws IOException {
long ret = 0;
byte c = read();
while (c <= ' ')
c = read();
boolean neg = (c == '-');
if (neg)
c = read();
do {
ret = ret * 10 + c - '0';
}
while ((c = read()) >= '0' && c <= '9');
if (neg)
return -ret;
return ret;
}
public double nextDouble() throws IOException {
double ret = 0, div = 1;
byte c = read();
while (c <= ' ')
c = read();
boolean neg = (c == '-');
if (neg)
c = read();
do {
ret = ret * 10 + c - '0';
}
while ((c = read()) >= '0' && c <= '9');
if (c == '.') {
while ((c = read()) >= '0' && c <= '9') {
ret += (c - '0') / (div *= 10);
}
}
if (neg)
return -ret;
return ret;
}
private void fillBuffer() throws IOException {
bytesRead = din.read(buffer, bufferPointer = 0, BUFFER_SIZE);
if (bytesRead == -1)
buffer[0] = -1;
}
private byte read() throws IOException {
if (bufferPointer == bytesRead)
fillBuffer();
return buffer[bufferPointer++];
}
public void close() throws IOException {
if (din == null)
return;
din.close();
}
}
static class Print {
private final OutputStream out;
public Print() {
this.out = System.out;
}
public void print(String str) throws IOException {
for (int i = 0; i < str.length(); i++) {
out.write(str.charAt(i));
}
}
public void println(String str) throws IOException {
print(str);
out.write('\n');
}
public void close() throws IOException {
out.close();
}
}
static Sc sc = new Sc();
static Print out = new Print();
static BufferedWriter close = new BufferedWriter(new OutputStreamWriter(System.out));
}
PRO_GrAMmER (IA Fahim)
