#include <cstdio>

typedef void (*func)(int);

void ret(int i){
}

void __99(int i){
	func branch[2] = { ret , __99  };
	printf("%d x %d = %2d\n", i/9+1, i%9+1,  (i/9+1) * (i%9+1));
	(*branch[i<80])(++i);	
}

int main(){
	__99(0);
	return 0;

}