#include <stdio.h>
int main() {
int n;
scanf("%d", &n);
if (n == 1) {
printf("Monday");
}
else if (n == 2) {
printf("Tuesday");
} else if (n == 3) {
printf("Wednesday");
} else if (n == 4) {
printf("Thursday");
} else if (n == 5) {
printf("Friday");
} else if (n == 6) {
printf("Saturday");
} else if (n == 7) {
printf("Sunday");
} else {
printf("error");
}
return 0;
} //哪里不对