#include using namespace std; //²âÊÔÓÃÀý£º23 //²Î¿¼Îĵµ£ºhttps://blog.csdn.net/Ber_Bai/article/details/76722379 int main() { int P; int a,b,c,d,e,f,g,h,i; int count=0; scanf("%d",&P); for(a=1; a<=P&&a<=9; a++) { for(b=1; b<=P-a&&b<=9; b++) { if(b==a) continue; for(d=1; d<=P-a-b&&d<=9; d++) { if(d==a||d==b) continue; f=P-a-b-d; if(f==a||f==b||f==d) continue; if(f>=1&&f<=9) { for(g=1; g<=P-f&&g<=9; g++) { if(g==a||g==b||g==d||g==f) continue; for(h=1; h<=P-f-g&&h<=9; h++) { if(h==a||h==b||h==d||h==f||h==g) continue; i=P-f-g-h; if(i==a||i==b||i==d||i==f||i==g||i==h) continue; if(i>=1&&i<=9) { for(e=1; e<=P-i-a&&e<=9; e++) { if(e==a||e==b||e==d||e==f||e==g||e==h||e==i) continue; c=P-a-i-e; if(c==a||c==b||c==d||c==f||c==g||c==h||c==i||c==e) continue; if(c>=1&&c<=9) { if(a