ascii_code = {'65':"A", '66':"B", '67':"C",'68':"D",'69':"E",'70':"F",'71':"G",'72':"H",'73':"I",'74':"J",'75':"K",'76':"L",'77':"M",'78':"N",'79':"O",'80':"P",'81':"Q",'82':"R",'83':"S",'84':"T",'85':"U",'86':"V",'87':"W",'88':"X",'89':"Y",'90':"Z",'97':"a", '98':"b", '99':"c",'100': "d",'101':"e",'102':"f",'103':"g",'104':"h",'105':"i",'106':"j",'107':"k",'108':"l",'109':"m",'110':"n",'111':"o",'112':"p",'113':"q",'114':"r",'115':"s",'116':"t",'117':"u",'118':"v",'119':"w",'120':"x",'121':"y",'122':"z"}

def change_UPPER():
    str1 = input("enter the word you want to make UPPERCASE:")
    #str1 = 'bac'
    #print(str1)
    lis = []

    for i in str1:
        for key, value in ascii_code.items():
            if (value == i):
                lis.append(int(key))
        #print(lis)

    new_lis = []
    for j in lis:
        new_lis.append(j - 32)
    #print(new_lis)

    upper_case_list = []
    for k in new_lis:
        for key1, value1 in ascii_code.items():
            if (int(key1) == k):
                upper_case_list.append(value1)
    #print(upper_case_list)
    joined = ''.join(upper_case_list)
    print(joined)


change_UPPER()



