#include <stdio.h>

int main(void) {
	int a,b;
	int n;          //演算をあらわす数字
	
	scanf("%d%d%d",&a,&b,&n);
	
	switch(n){
		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;
}