>>636
#include <stdio.h>

int main(){
int num, index[1024], i = 0, j;
do{
printf("Input :");
scanf("%d", &num);
if ( (num >= 0) && (num <= 6) ){
index[i] = num;
i++;
}
}while(num != -999);

for (j = 0; j < i; j++){
switch(index[j]){
case 0: puts("日曜"); break;
case 1: puts("月曜"); break;
case 2: puts("火曜"); break;
case 3: puts("水曜"); break;
case 4: puts("木曜"); break;
case 5: puts("金曜"); break;
case 6: puts("土曜"); break;
}
}
return 0;
}