while x > 0.00:
    if x>=50.0:
        print( x//50,('notas de 50 euros'))
        n = x % 50
    elif x<50 and x >=20:
        print (y//20,('notas de 20 euros'))
        x= x %20
    elif  x<20 and x >=10:
        print (x//10,('notas de 10 euros'))
        x = x % 10
    elif  x<10 and x >=5:
        print( x//5, ('notas de 5 euros'))
        x = x% 5
    elif x<5 and x>=2:
        print( x//2, ('moedas de 2 euros'))
        x = x % 2
    elif  x<2.0 and x>=1.0:
        print( x//1,('moedas de um euro'))
        x= x%1
    elif x<1.0 and x >=0.50:
        print( x//0.50,('moedas de 50 centimos'))
        x = x %0.50
    elif x<0.50 and x>=0.20:
        print( x//0.20,('moedas de 20 centimos'))
        x = x%0.20
    elif x<0.20 and x>= 0.10:
        print( x//0.10,('moedas de 10 centimos'))
        x = x%0.10
    elif  x<0.10 and x>=0.05:
        print(x//0.05,('moedas de 5 centimos'))
        x= x % 0.05
    elif x<0.05 and x>=0.02:
        print( x//0.02,('moedas de 2 centimos'))
        x = x %0.02
    else:
        print ( x ,('moedas de 1centimos'))