#include<stdio.h>
main()
{
int a;
printf("请输入一个数字\n");
scanf("%d",&a);
switch(a)
{
case 1:printf("M\n"); break;
case 2:printf("T\n"); break;
case 3:printf("W\n"); break;
case 4:printf("TH\n"); break;
case 5:printf("F\n"); break;
case 6:printf("S\n"); break;
case 7:printf("SU\n"); break;
default:printf("error\n");
}
}