#include<stdio.h>


int doit(int a, int b, char c);

main()
{
int x=10,y=5,z; 
char c;
scanf("%d %c %d", &x,&c,&y);
printf(" %d %c  %d =%d \n", x,c,y,doit(x,y,c));
}

int doit(int a, int b, char c)
{
switch(c)
{
case '+' : return(a+b); break;
case '-' : return(a-b);break;
case '*' : return(a*b);break;
case '/' : return(a/b);break;
case '%' : return(a %b);break;
default  :return(0);
}
}