#include <stdio.h>
#include <math.h>
int main ()
{
int a,b,suma,dif,catul,prod,rest;
printf ("introdu a= ");
scanf ("%d", &a);
printf ("introdu b= ");
scanf ("%d", &b);
suma = a+b;
printf ("%d\n",suma);
dif = a-b;
printf ("%d\n",dif);
prod = a*b;
printf ("%d\n",prod);
catul = a/b;
printf ("%d\n",catul);
rest = a%b;
printf ("%d\n",rest);
}