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QOJ

Time Limit: 2 s Memory Limit: 256 MB Total points: 100

#22697. Decomposições em somas

Statistics

Farmer John manda as vacas buscar conjuntos diferentes de números cuja soma seja um número dado. Só usam potências inteiras de 2. Estes são os conjuntos possíveis que somam 7:

1) 1+1+1+1+1+1+1

2) 1+1+1+1+1+2

3) 1+1+1+2+2

4) 1+1+1+4

5) 1+2+2+2

6) 1+2+4

Ajude FJ a contar todas as representações do inteiro $N$ ($1 \le N \le 1{,}000{,}000$).

Entrada

Uma linha com um único inteiro $N$.

Saída

O número de formas de representar $N$ como a soma indicada. Pode ser enorme, portanto imprima apenas os últimos 9 dígitos decimais.

Exemplos

Entrada 1

7

Saída 1

6

Problema 1: Decomposições em somas

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