#include <stdio.h>

int main()
{
int a, b, c;							
scanf("%d %d %d", &a, &b, &c);	

switch(c) 
{
case 1:	
printf("%d + %d = %d", a, b, (a+b));
break;
case 2:	
printf("%d - %d = %d", a, b, (a-b));
break;
case 3:	
printf("%d * %d = %d", a, b, (a*b));
break;
case 4:	
switch ( a % b )
{		
case 0:			
printf("%d ÷ %d = %d", a, b, (a / b));
break;
default :			
printf("%d ÷ %d = %d 余り %d", a, b, (a / b), (a % b) );
break;
}
}
return 0;
}