import javax.swing.JOptionPane;

public class NizZVeliko {
    public static void main(String[] args) {
        // preberemo vhodni niz
        String niz1 = JOptionPane.showInputDialog("Vnesi niz: ");
        niz1 = niz1.toUpperCase();
        System.out.println(niz1);
    }
}

using System;
using System.Collections.Generic;
using System.Text;

namespace NizZVeliko {
class NizZVeliko {
    static void Main(string[] args) {
        // preberemo vhodni niz
        Console.Write("Vnesi niz: ");
        String niz1 = Console.ReadLine();
        niz1 = niz1.ToUpper();
        Console.WriteLine(niz1);
        Console.ReadKey();
    }
}
}

#!C:/Python30/python
#-*-encoding: utf-8 -*-
# -*- coding: latin-1 -*-
'''
Created on 1.7.2009

@author: fajdigap
'''
# preberemo vhodni niz
niz = input("Vnesi niz: ")
niz =niz.upper()
print (niz)