def name():
    x = input().split('-')
    y = []
    for z in x:
        y.append(z[0])
    print(''.join(y).upper())


name()

457d40b3a63962bc40b06dfde00c4b072f475e63
<mask token>

def name():
    x = input().split('-')
    y = []
    for z in x:
        y.append(z[0])
    print(''.join(y).upper())


<mask token>

def name():
    x = input().split('-')
    y = []
    for z in x:
        y.append(z[0])
    print(''.join(y).upper())


name()
