long f[1<<21],x;P=1e9+7,k,c;p(a,i){x=i?p(1L*a*a%P,i/2),i%2?x*a%P:x:1;}main(n){for(gets(f),*f=1;k++<2e6;f[k]=f[k-1]*k%P);for(;x=~scanf(" %c(%d,%d)",&c,&n,&k);printf("%d\n",n>=k?p(f[n-k]*(c%5?f[k]:1)%P,P-2),x*f[n]%P:0))c&8&&(n+=k)&&n--;}