#include <stdio.h>
int main ()
{int epilogi;
while ( epilogi != 5 )
{printf( "Dwse dio akeraious arithmous\n" );
int prwtos;
scanf ( "%d", &prwtos );
int deuteros;
scanf ( "%d", &deuteros );

printf ( "\nParakalw pliktrologiste:\n" );
/* vazw \n stin arxi gia na afisw keno kai na to kanw pio euanagnwsto */

printf ( "1. gia Prosthesi\n" );
printf ( "2. gia Afairesi\n" );
printf ( "3. gia Pollaplasiasmo\n" );
printf ( "4. gia Diairesi\n" );
printf ( "5. gia Eksodo apo to programma\n\n" );
/* dio "\n" gia na ginei kai edw euanagnwsto pigenontas stin methepomeni seira */

scanf ( "%d", &epilogi );

if ( epilogi == 1 )
{int apotelesma;
apotelesma = prwtos + deuteros;
printf ( "to apotelesma tis prosthesis tous einai %d\n\n", apotelesma );}

else if ( epilogi == 2 )
{int apotelesma;
apotelesma = prwtos - deuteros;
printf ( "to apotelesma tis afairesis tous einai %d\n\n", apotelesma );}


else if ( epilogi == 3 )
{int apotelesma;
apotelesma = prwtos * deuteros;
printf ( "to apotelesma tou pollaplasiasmou tous einai %d\n\n", apotelesma );}

else if ( epilogi == 4 , deuteros != 0 )
{double apotelesma;
apotelesma = prwtos / deuteros;
printf ( "to apotelesma tis diairesis tous einai %d\n\n", apotelesma );}

else
printf ( "lathos epilogi\n\n" );

}
return 0;
}