View Code of Problem 50

# include<stdio.h>
# include<string.h>
int main(void)
{
    int i,flag = 0;
    char a[80];
    gets(a);
    for(i=0;i<strlen(a);++i)
    {
        if(a[i]>='0'&&a[i]<='9')
        {
            printf("%c",a[i]);
            flag = 0;
        }
        if((a[i]<'0'||a[i]>'9')&&flag==0)
        {
            printf("*");
            flag = 1;
        }
    }
    return 0;
}