#include <stdio.h>

int main() {
 printf("3단\n");   
 printf("%dx%d=%d\n",3,9,3*9);
 printf("%dx%d=%d\n",3,8,3*8);
 printf("%dx%d=%d\n",3,7,3*7);
 printf("%dx%d=%d\n",3,6,3*6);  
 printf("%dx%d=%d\n",3,5,3*5);
 printf("%dx%d=%d\n",3,4,3*4);
 printf("%dx%d=%d\n",3,3,3*3);
 printf("%dx%d=%d\n",3,2,3*2);
 printf("%dx%d=%d\n",3,1,3*1);
    
    return 0;
}