a[];b;main(i){for(;b<50;b=b?b+1:a[0]-1?1:45){for(i=0;i<6;)scanf("%d",&a[i++]);for(;8/i++;)printf("%d%c",a[i%3]*a[-~i%3+3]-a[-~i%3]*a[i%3+3],i-9?32:10);}}