#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:printf("%d÷%d=%d余り%d",a,b,a/b,a%b);
break;
	}return 0;
}