upperletter16(1).java

import java.io.BufferedReader; 
import java.io.IOException; 
import java.io.InputStreamReader; 

class UpperLetter
{
      public static void main(String args[])throws IOException    
 {
     
      System.out.println("input");
     BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
     String str = br.readLine();
     String s = "";
    
      int flag=0;
    
        if(Character.isLowerCase(str.charAt(0))==true)
        s=s+(char)(str.charAt(0)-32);
       
      else
          s=s+(char)(str.charAt(0));
    
      for(int i=1;i<str.length();i++)
      {
        
           if(Character.isLowerCase(str.charAt(i))==true)
          {
              char c=(char)(str.charAt(i-1));
                if(c==' ')
            {
                char ch= (char)(str.charAt(i)-32);
                s = s + ch;
                flag=1;
            }
        }
           
           if(flag==0)
        {
            s = s + str.charAt(i);
        }
          flag=0;
    }
    
      System.out.println("Output:");
      System.out.println(s);
  }
}