ll M=1000000007,D=1<<27,x=0,A=0, T[]={1,638916270,864357307,711403642,373979365,963971145,183143523,894672548}; { char c; while(c=getchar(),'0'<=c&&c<='9'&&x<=M) x=x*10+c-'0'; x=min(x-1,M); A=T[x/D]; rep(i,x&(D-1)) A=M-A*(x-i)%M; wt(A%M); }