#pragma GCC optimize ("Ofast") #include using namespace std; inline int my_getchar(){ static char buf[1048576]; static int s = 1048576; static int e = 1048576; if(s == e && e == 1048576){ e = fread(buf, 1, 1048576, stdin); s = 0; } if(s == e){ return EOF; } return buf[s++]; } inline void rd(int &x){ int k; int m=0; x=0; for(;;){ k = my_getchar(); if(k=='-'){ m=1; break; } if('0'<=k&&k<='9'){ x=k-'0'; break; } } for(;;){ k = my_getchar(); if(k<'0'||k>'9'){ break; } x=x*10+k-'0'; } if(m){ x=-x; } } struct MY_WRITER{ char buf[1048576]; int s; int e; MY_WRITER(){ s = 0; e = 1048576; } ~MY_WRITER(){ if(s){ fwrite(buf, 1, s, stdout); } } } ; MY_WRITER MY_WRITER_VAR; void my_putchar(int a){ if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){ fwrite(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout); MY_WRITER_VAR.s = 0; } MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a; } inline void wt_L(char a){ my_putchar(a); } inline void wt_L(int x){ int s=0; int m=0; char f[10]; if(x<0){ m=1; x=-x; } while(x){ f[s++]=x%10; x/=10; } if(!s){ f[s++]=0; } if(m){ my_putchar('-'); } while(s--){ my_putchar(f[s]+'0'); } } int d[10]; int main(){ int K; rd(K); int cnt = 0; int PiIOrLma; for(PiIOrLma=(0);PiIOrLma<(8);PiIOrLma++){ d[PiIOrLma] = PiIOrLma; } do{ { int i; int num = 0; for(i=(0);i<(8);i++){ num = num * 10 + d[i]+1; } if(num % K == 0){ ++cnt; } } } while(next_permutation(d,d+8)); wt_L(cnt); wt_L('\n'); return 0; } // cLay version 20210405-1 // --- original code --- // //no-unlocked // int d[10]; // { // int @K; // int cnt = 0; // rep_perm(d, 8){ // int num = 0; // rep(i, 8){ // num = num * 10 + d[i]+1; // } // if(num % K == 0) ++cnt; // } // wt(cnt); // }