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#include <iostream.h>
#include <conio.h>
using namespace std;
int main (int argc, char *argv[])
{
system ("Title Kaлькyлятop");
int x, y, otvet;
char znak;
cin >> x >> znak >> y;
if (znak == '+') otvet = x+y;
if (znak == '-') otvet = x-y;
if (znak == '*') otvet = x*y;
if (znak == '/') otvet = x/y;
system ("cls");
cout << x << znak << y << "=" << otvet;
getch();
return 0;
}