#include<dos.h>

#include<stdio.h>
int main()
{
short st1,st2,rez;
char oper;
printf("---------\n");
scanf("%d",&st1);
scanf("%1s",&oper);
scanf("%d",&st2);
if(oper=='*')
	rez=st1*st2;
	else if(oper=='/')
		rez=st1/st2;
		else if(oper=='+')
			rez=st1+st2;
			else if(oper=='-')
				rez=st1-st2;
	printf("rezultat=%d",rez);
	getchar();
	getchar();
	getchar();
}