11679 - Sub-prime - Java

 import java.io.BufferedReader;  
 import java.io.IOException;  
 import java.io.InputStream;  
 import java.io.InputStreamReader;  
 import java.util.StringTokenizer;  
 public class SubPrime {  
      public static void main(String[] args) throws Exception {  
           Reader.init(System.in);  
           int noOfBanks = Reader.nextInt();  
           int noOfDebetures = Reader.nextInt();  
           int tempDebtor;  
           int tempCreditor;  
           int tempValue;  
           boolean flag;  
           while(noOfBanks != 0 && noOfDebetures != 0) {  
                int[] bankAccount = new int[noOfBanks];  
                for(int i = 0; i < noOfBanks; i++) {  
                     bankAccount[i] = Reader.nextInt();  
                }  
                for(int i = 0; i < noOfDebetures; i++) {  
                     tempDebtor = Reader.nextInt();  
                     tempCreditor = Reader.nextInt();  
                     tempValue = Reader.nextInt();  
                     bankAccount[tempDebtor - 1] -= tempValue;  
                     bankAccount[tempCreditor - 1] += tempValue;  
                }  
                flag = true;  
                for(int i = 0; i < noOfBanks; i++) {  
                     if(bankAccount[i] < 0) {  
                          flag = false;  
                          break;  
                     }  
                }  
                if(flag) System.out.println("S");  
                else System.out.println("N");  
                noOfBanks = Reader.nextInt();  
                noOfDebetures = Reader.nextInt();  
           }  
      }  
 }  
 /** Class for buffered reading int and double values */  
 /** http://www.cpe.ku.ac.th/~jim/java-io.html */  
 class Reader {  
      static BufferedReader reader;  
      static StringTokenizer tokenizer;  
      /** call this method to initialize reader for InputStream */  
      static void init(InputStream input) {  
           reader = new BufferedReader(new InputStreamReader(input));  
           tokenizer = new StringTokenizer("");  
      }  
      /** get next word */  
      static String next() throws IOException {  
           while ( ! tokenizer.hasMoreTokens() ) {  
                //TODO add check for eof if necessary  
                tokenizer = new StringTokenizer(reader.readLine());  
           }  
           return tokenizer.nextToken();  
      }  
      static int nextInt() throws IOException {  
           return Integer.parseInt( next() );  
      }  
      static double nextDouble() throws IOException {  
           return Double.parseDouble( next() );  
      }  
 }