#include<cstdio>
#include<cstdlib>
#define random(x) (rand()%x)
int main()
{
for(int i=0;i<300;i++){
int c = random(4);
int a = rand();
int b = rand();
if(c==0){
printf("%d + %d =
",a,b);
}
else if(c==1){
printf("%d - %d =
",a,b);
}
else if(c==2){
printf("%d * %d =
",a,b);
}
else if(c==3){
printf("%d / %d =
",a,b);
}
}
return 0;
}