#include <stdio.h>

int main(void) {
	int a,b,c,d,e;
    scanf("%d %d %d",&a,&b,&c);
    switch(c){
        case 1:
            d = a + b;
            printf("%d+%d=%d",a,b,d);
            break;
        case 2:
            d = a - b;
            printf("%d-%d=%d",a,b,d);
            break;
        case 3:
            d = a * b;
            printf("%d×%d=%d",a,b,d);
            break;
        case 4:
            d = a/b;
            e = a%b;
            switch(e){
                case 0:printf("%d÷%d=%d",a,b,d);
                break;
                default:printf("%d÷%d=%dあまり%d",a,b,d,e);
            } 
            break;
    }
	return 0;
}