#include <stdio.h>

int main() {
    int a=1,b=1,c=1;
    do
    {
        printf("\n %d%d%d",a,b,c);
        a++;
        b++;
        c++;
    }while(a<=3 && b<=3 && c<=3);
    
    return 0;
}

Embed on website

To embed this program on your website, copy the following code and paste it into your website's HTML: