l21

#include<stdio.h>

int main(){
    int day,mon=31,i;
    printf("Enter date to show * :");
    scanf("%d",&day);

    for(i=1;i<=mon;i++){
        printf("%d",i);
        if(i==day){
           printf("*");
        }
        else if(i%7==0) {
            printf("\n");
        }
         else  {
            printf("");

    }
    printf(" ");
    }
    return 0;
}