#include <stdio.h>

int main(void) {
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:if(a/b==0)
	{
		printf("%d÷%d=%d",a,b,a/b);
	}
	else
	printf("%d÷%d=%d余り%d",a,b,a/b,a%b);
	break;
}



	return 0;
}