#include <stdio.h>


#include<stdio.h>

int main(int argc, char *argv[])

{

 int a=56,b=7;

 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);

 printf("a÷b=%d",a%b);

 return 0;

}