hdu2133

#include<iostream>#include<cstdio>#include<cstdlib>#include<cstring>#include<string>#include<queue>#include<algorithm>#include<map>#include<iomanip>#define INF 99999999using namespace std;const int MAX=10;char s[7][10]={"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"};int month[14]={0,31,28,31,30,31,30,31,31,30,31,30,31};bool check(int &y){if((y%4 == 0 && y%100 !=0) || y%400 ==0)return true;//是闰年return false; }int main(){int y,m,d;while(scanf("%d%d%d",&y,&m,&d)!=EOF){if(m==0 || d==0){printf("illegal\n");continue;}if(month[m] == 30 && d==31){printf("illegal\n");continue;}if(!check(y) && m == 2 && d==29){printf("illegal\n");continue;}if(m == 2 && d>29){printf("illegal\n");continue;}int temp=d;for(int i=1;i<m;++i)temp+=month[i];if(check(y) && m>2)++temp;for(int i=1;i<y;++i){temp+=365;if(check(i))++temp;temp%=7;}printf("%s\n",s[temp]);}return 0;}