#include <stdio.h>

int main(void) {
	// your code goes here
    int a,b;
    scanf("%d%d",&a,&b);
    printf("a=%d,b=%d\n",a,b);
    printf("-a=%d\n",-a);
    printf("a+b=%d\n",a+b);
    printf("a-b=%d\n",a-b);
    printf("a*b=%d\n",a*b);
    printf("a/b=%d\n",a/b*2);
    printf("a%b=%d\n",a%b);
	return 0;
}