Donat un enter
llegit pel canal d’entrada, fes un programa que calculi i escrigui per
la sortida estàndard quantes vegades apareix el dígit
a
.
Entrada
Un enter
positiu.
Sortida
Les vegades que apareix
a
.
About statements
The official statement of a problem is always the one
in the PDF document. The HTML version of the statement
is also given to help you, but may contain some content
that is not well displayed. In case of doubt, always use the PDF.