#include<stdio.h>
#include<ctype.h>

int main(){
int c,y=0,m=0,d=0,day;

for(;c=getchar(),isdigit(c);y*=10,y+=c-'0');
for(;c=getchar(),isdigit(c);m*=10,m+=c-'0');
for(;c=getchar(),isdigit(c);d*=10,d+=c-'0');
if(m<3) m+=12,y--;
day=(y+y/4-y/100+y/400+(13*m+8)/5+d)%7;

switch(day){
case 0: putchar('S');putchar('U');putchar('N');return 0;
case 1: putchar('M');putchar('O');putchar('N');return 0;
case 2: putchar('T');putchar('U');putchar('E');return 0;
case 3: putchar('W');putchar('E');putchar('D');return 0;
case 4: putchar('T');putchar('H');putchar('U');return 0;
case 5: putchar('F');putchar('R');putchar('I');return 0;
case 6: putchar('S');putchar('A');putchar('T');return 0;
}
return 0;
}