#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");

}

}