// We just need to count mod 7

#include <cstdio>

const char * dow[] = {
      "Thursday",
      "Friday",
      "Saturday",
      "Sunday",
      "Monday",
      "Tuesday",
      "Wednesday"
} ;

int main( ) {
    int n ;
    scanf("%d",&n);
    printf("%s\n",dow[n%7]);
    return 0;
}