#include <stdio.h>

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

   
    return 0;
}