#include <stdio.h>
int main()
{
    int a=0;
    int b=5;

    a=b;
    printf("a = %d\n",a);//a=5 b=5

    a+=b;
    printf("a = %d\n",a);//a=10 b=5

    a-=b;
    printf("a = %d\n",a);//a=5 b=5

    a*=b;
    printf("a = %d\n",a);//a=25 b=5

    a/=b;
    printf("a = %d\n",a);//a=5 b=5

    a%=b;
    printf("a = %d\n",a);//a=0


    return 0;
}